Engineering Mechanics Static and Dynamics · Engineering Mechanics · GATE ME

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Marks 1

1

A ram in the form of a rectangular body of size $l = 9 \text{ m}$ and $b = 2 \text{ m}$ is suspended by two parallel ropes of lengths $7 \text{ m}$. Assume the center-of-mass of the body is at its geometric center and $g = 9.81 \text{ m/s}^2$. For striking the object P with a horizontal velocity of $5 \text{ m/s}$, what is the angle $\theta$ with the vertical from which the ram should be released from rest?


GATE ME 2024 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 17 English
GATE ME 2024
2

A rigid massless tetrahedron is placed such that vertex O is at the origin and the other three vertices A, B, and C lie on the coordinate axes as shown in the figure. The body is acted on by three point loads, of which one is acting at A along x-axis and another at point B along y-axis. For the body to be in equilibrium, the third point load acting at point O must be

GATE ME 2024 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 16 English
GATE ME 2024
3
The options show frames consisting of rigid bars connected by pin joints. Which one of the frames is non-rigid? 
GATE ME 2023
4

A massive uniform rigid circular disc is mounted on a frictionless bearing at the end E of a massive uniform rigid shaft AE which is suspended horizontally in a uniform gravitational field by two identical light inextensible strings AB and CD as shown, where G is the center of mass of the shaft-disc assembly and g is the acceleration due to gravity. The disc is then given a rapid spin w about its axis in the positive xaxis direction as shown, while the shaft remains at rest. The direction of rotation is defined by using the right-hand thumb rule. If the string AB is suddenly cut, assuming negligible energy dissipation, the shaft AE will

GATE ME 2022 Set 2 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 10 English
GATE ME 2022 Set 2
5

Match the additive manufacturing technique in Column I with its corresponding input material in Column II.

Additive manufacturing technique (Column I)

Input Material

 (Column II)

P.

Fused deposition modeling

1.

Photosensitive liquid resin

Q.

Laminated object Manufacturing

2.

Heat fusible power

R.

Selective laser sintering

3.

Filament of polymer

 

 

4.

Sheet of thermoplastic or green compacted metal sheet

GATE ME 2022 Set 2
6

A square plate is supported in four different ways (configurations (P) to (S) as shown in the figure). A couple moment C is applied on the plate. Assume all the members to be rigid and mass-less, and all joints to be frictionless. All support links of the plate are identical.

GATE ME 2022 Set 2 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 8 English

The square plate can remain in equilibrium in its initial state for which one or more of the following support configurations?

GATE ME 2022 Set 2
7

A rope with two mass-less platforms at its two ends passes over a fixed pulley as shown in the figure. Discs with narrow slots and having equal weight of 20 N each can be placed on the platforms. The number of discs placed on the left side platform is n and that on the right side platform is m.

It is found that for n = 5 and m = 0, a force F= 200 N (refer to part (i) of the figure) is just sufficient to initiate upward motion of the left side platform. If the force F is removed then the minimum value of m (refer to part (ii) of the figure) required to prevent downward motion of the left side platform is (in integer).

GATE ME 2022 Set 2 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 7 English
GATE ME 2022 Set 2
8

The plane of the figure represents a horizontal plane. A thin rigid rod at rest is pivoted without friction about a fixed vertical axis passing through O. Its mass moment of inertia is equal to 0.1 kg∙cm2 about O. A point mass of 0.001 kg hits it normally at 200 cm/s at the location shown, and sticks to it. Immediately after the impact, the angular velocity of the rod is ___________ rad/s (in integer).

GATE ME 2022 Set 1 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 14 English
GATE ME 2022 Set 1
9
A Particle of unit mass is moving on a plane. Its trajectory, in polar coordinates, is given by $$r\left( t \right) = {t^2},\theta \left( t \right) = t,$$ where $$t$$ is time. The kinetic energy of the particle at time $$t=2$$ is
GATE ME 2017 Set 1
10
The following figure shows the velocity- time plot for a particle traveling along a straight line. The distance covered by the particle from $$t = 0$$ to $$t= 5$$ $$s$$ is __________$$m.$$ GATE ME 2017 Set 1 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 68 English
GATE ME 2017 Set 1
11
A point mass having mass $$M$$ is moving with a velocity $$V$$ at an angle $$\mathop \theta \limits^ \cdot $$ to the wall as shown in the figure. The mass undergoes a perfectly elastic collision with the smooth wall and rebounds. The total change (final minus initial) in the momentum of the mass is GATE ME 2016 Set 2 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 71 English
GATE ME 2016 Set 2
12
A force $$F$$ is acting on a bent bar which is clamped at one end as shown in the figure. GATE ME 2016 Set 3 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 70 English The CORRECT free body diagram is
GATE ME 2016 Set 3
13
A rigid ball of weight $$100$$ $$N$$ is suspended with the help of a string. The ball is pulled by a horizontal force $$F$$ such that the string makes an angle of $${30^0}$$ with the vertical. The magnitude of force $$F$$ (in N) is __________ GATE ME 2016 Set 1 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 73 English
GATE ME 2016 Set 1
14
A point mass $$M$$ is released from rest and slides down a spherical bowl (of radius $$R$$) from a height $$H$$ as shown in the figure below. The surface of the bowl is smooth (no friction). The velocity of the mass at the bottom of the bowl is GATE ME 2016 Set 1 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 72 English
GATE ME 2016 Set 1
15
A small ball of mass 1 kg moving with a velocity of 12 m/s undergoes a direct central impact with a stationary ball of mass 2 kg. The impact is perfectly elastic. The speed (in m/s) of 2 kg mass ball after the impact will be ____________
GATE ME 2015 Set 2
16
Two identical trusses support a load of 100 N as shown in the figure. The length of each truss is 1.0m; cross-sectional area is 200 mm2 ; Young’s modulus E = 200GPa. The force in the truss AB (in N) is _____ . GATE ME 2015 Set 1 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 76 English
GATE ME 2015 Set 1
17
A weight of 500N is supported by two metallic ropes as shown in the figure. The values of tensions T1 and T2 are respectively. GATE ME 2015 Set 3 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 74 English
GATE ME 2015 Set 3
18
In a statically determinate plane truss, the number of joints $$(j)$$ and the number of members $$(m)$$ are related by
GATE ME 2014 Set 4
19
A two member truss ABC is shown in the figure. The force (in kN) transmitted in member AB is ________ GATE ME 2014 Set 2 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 79 English
GATE ME 2014 Set 2
20
A circular object of radius r rolls without slipping on a horizontal level floor with the center having velocity $$V$. The velocity at the point of contact between the object and the floor is
GATE ME 2014 Set 1
21
A mass m1 of 100kg travelling with a uniform velocity of 5 m/s along a line collides with a stationary mass m2 of 1000kg. After the collision, both the masses travel together with the same velocity. The coefficient of restitution is
GATE ME 2014 Set 3
22
The coefficient of restitution of a perfectly plastic impact is
GATE ME 2011
23
A stone with mass of $$0.1$$kg is catapulted as shown in the figure. The total force $${F_x}$$ (in N) exerted by the rubber band as a function of distance $$x$$ (in m) is given by $${F_x} = 300{x^2}.$$ If the stone is displayed by $$0.1$$ m from the un-stretched position (x = 0) of the rubber band, the energy stored in the rubber bad is GATE ME 2011 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 81 English
GATE ME 2011
24
A block weighing 981 $$N$$ is resting on a horizontal surface. The coefficient of friction between the block and the horizontal surface is $$\mu = 0.2.$$ A vertical cable attached to the block provides partial support as shown. A man can pull horizontally with a force of 100 $$N$$. What will be the tension, $$T$$ (inN) in the cable if the man is just able to move the block to the right? GATE ME 2009 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 83 English
GATE ME 2009
25
A straight rod length $$L(t),$$ hinged at one end freely extensible at the other end, roates through an angle $$\theta \left( t \right)$$ about the hinge. At time $$t,$$ $$L(t)=1m,$$ $$L(t)=1m/s,$$ $$\theta \left( t \right) = \pi /4$$ rad and $$\mathop \theta \limits^ \cdot \left( t \right) = 1\,\,rad/s.$$ The magnitude of the velocity at the other end of the rod is
GATE ME 2008
26
During inelastic collision of two particles, which one of the following is conserved?
GATE ME 2007
27
A simple pendulum of length 5m, with a bob of mass 1 kg, is in simple harmonic motion. As it passes through its mean position, the bob has a speed of 5m/s. the net force on the bob at the mean position is
GATE ME 2005
28
The time variation of the position of a particle in rectilinear motion is given by $$x = 2{t^3} + {t^2} + 2t$$. If 'V' is the velocity and 'a' acceleration of the particle in consistent units, the motion started with
GATE ME 2005
29
The figure shows a pin-jointed plane truss loaded at the point M by hanging a mass of 100 kg. The member LN of the truss is subjected to a load of GATE ME 2004 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 88 English v
GATE ME 2004
30
A truss consists of horizontal members (AC, CD, DB and EF) and vertical members (CE and DE) having length 1 each. The members AE, DE and BF are inclined at $${45^0}$$ to the horizontal. For the uniformly distributed load ‘p’ per unit length on the member EF of the truss shown in figure given below, the force in the member CD is GATE ME 2003 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 90 English
GATE ME 2003
31
A bullet of mass ‘m’ travels at a very high velocity v (as shown in the figure) and gets embedded inside the block of mass ‘M’ initially at rest on a rough horizontal floor. The block with the bullet is seen to move a distance ‘s’ along the floor. Assuming $$\mu $$ to be the coefficient to kinetic friction between the block and the floor and ‘g’ the acceleration due to gravity what is the velocity v of the bullet? GATE ME 2003 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 89 English
GATE ME 2003
32
A steel wheel of 600 mm diameter rolls on a horizontal steel rail. It carries a load of 500 N. The coefficient of rolling resistance is 0.3 mm. The force in N, necessary to roll the wheel along the rail is
GATE ME 2000
33
The ratio of tension on the tight side to that on the slack side in a flat belt drive is
GATE ME 2000
34
A car moving with uniform acceleration covers 450 m in a 5 second interval, and covers 700 m in the next 5 second interval. The acceleration of the car is
GATE ME 1998
35
A ball A of mass m falls under gravity from a height h and strikes another ball B of mass m which supported at rest on a spring of stiffness k. Assume perfectly elastic impact. Immediately after the impact
GATE ME 1996
36
A wheel of mass m and radius r is in accelerated rolling motion without slip under a steady axial torque $$T$$. If the coefficient of kinetic friction is $$\mu $$, the friction force from the ground on the wheel is
GATE ME 1996
37
A stone of mass m at the end of a string of length l is whirled in a vertical circle at a constant speed. The tension in the string will be maximum when the stone is
GATE ME 1994
38
The cylinder shown below rolls without slipping. In which direction does the friction force act? Towards which of the following points is the acceleration of the point of contact A on the cylinder directed? GATE ME 1993 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 52 English
GATE ME 1993
39
Instantaneous centre of a body rolling with sliding on a stationary curved surface lies.
GATE ME 1992
40
A and B are the end -points of a diameter of a disc rolling along a straight line with a counter Clock-wise angular velocity as shown in the figure. Referring to the velocity vectors $${\overline V _A}$$ and $${\overline V _B}$$ shown in the figure: GATE ME 1990 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 53 English
GATE ME 1990

Marks 2

1

A three-hinge arch ABC in the form of a semi-circle is shown in the figure. The arch is in static equilibrium under vertical loads of $P = 100$ kN and $Q = 50$ kN. Neglect friction at all the hinges. The magnitude of the horizontal reaction at B is _________ kN (rounded off to 1 decimal place).

GATE ME 2024 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 15 English
GATE ME 2024
2

A spherical ball weighing 2 kg is dropped from a height of 4.9 m onto an immovable rigid block as shown in the figure. If the collision is perfectly elastic, what is the momentum vector of the ball (in kg m/s) just after impact?

Take the acceleration due to gravity to be 𝑔 = 9.8 m/s2. Options have been rounded off to one decimal place.

GATE ME 2023 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 1 English
GATE ME 2023
3

A rigid homogeneous uniform block of mass 1 kg, height h = 0.4 m and width b = 0.3 m is pinned at one corner and placed upright in a uniform gravitational field (g = 9.81 m/s2), supported by a roller in the configuration shown in the figure. A short duration (impulsive) force F, producing an impulse IF is applied at a height of d = 0.3 m from the bottom as shown. Assume all joints to be frictionless. The minimum value of IF required to topple the block is

GATE ME 2022 Set 2 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 6 English
GATE ME 2022 Set 2
4

A rigid body in the X-Y plane consists of two point masses (1 kg each) attached to the ends of two massless rods, each of 1 cm length, as shown in the figure. It rotates at 30 RPM counter-clockwise about the Z-axis passing through point O. A point mass of √2 kg, attached to one end of a third massless rod, is used for balancing the body by attaching the free end of the rod to point O. The length of the third rod is ______ cm.

GATE ME 2022 Set 2 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 5 English
GATE ME 2022 Set 2
5

A rigid beam AD of length 3a = 6 m is hinged at frictionless pin joint A and supported by two strings as shown in the figure. String BC passes over two small frictionless pulleys of negligible radius. All the strings are made of the same material and have equal cross-sectional area. A force F = 9 KN is applied at C and the resulting stresses in the strings are within linear elastic limit. The self-weight of the beam is negligible with respect to the applied load. Assuming small deflections, the tension developed in the string at C is KN (round off to 2 decimal places).

GATE ME 2022 Set 2 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 4 English
GATE ME 2022 Set 2
6

The lengths of members BC and CE in the frame shown in the figure are equal. All the members are rigid and lightweight, and the friction at the joints is negligible. Two forces of magnitude Q > 0 are applied as shown, each at the mid-length of the respective member on which it acts.

GATE ME 2022 Set 2 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 3 English

Which one or more of the following members do not carry any load (force)?

GATE ME 2022 Set 2
7

A structure, along with the loads applied on it, is shown in the figure. Self-weight of all the members is negligible and all the pin joints are friction-less. AE is a single member that contains pin C. Likewise, BE is a single member that contains pin D. Members GI and FH are overlapping rigid members. The magnitude of the force carried by member CI is ________ kN (in integer).

GATE ME 2022 Set 1 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 13 English
GATE ME 2022 Set 1
8

Two rigid massless rods PR and RQ are joined at frictionless pin-joint R and are resting on ground at P and Q, respectively, as shown in the figure. A vertical force F acts on the pin R as shown. When the included angle 𝜃 < 90°, the rods remain in static equilibrium due to Coulomb friction between the rods and ground at locations P and Q. At 𝜃 = 90°, impending slip occurs simultaneously at points P and Q. Then the ratio of the coefficient of friction at Q to that at P (μQ /μP) is _________ (round off to two decimal places).

GATE ME 2022 Set 1 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 12 English
GATE ME 2022 Set 1
9

A cylindrical disc of mass m = 1 kg and radius r = 0.15 m was spinning at 𝜔 = 5 rad/s when it was placed on a flat horizontal surface and released (refer to the figure). Gravity g acts vertically downwards as shown in the figure. The coefficient of friction between the disc and the surface is finite and positive. Disregarding any other dissipation except that due to friction between the disc and the surface, the horizontal velocity of the center of the disc, when it starts rolling without slipping, will be _________ m/s (round off to 2 decimal places).

GATE ME 2022 Set 1 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 11 English
GATE ME 2022 Set 1
10
Two disks A and B with identical mass (m) and radius (R) are initially at rest. They roll down from the top of identical inclined planes without slipping. Disk A has all of its mass concentrated at the rim, while Disk B has its mass uniformly distributed. At the bottom of the plane, the ratio of velocity of the center of disk A to the velocity of the center of disk B is.
GATE ME 2017 Set 1
11
The rod PQ of length L = 2 m, and uniformly distributed mass of M = 10 kg, is released from rest at the position shown in the figure. The ends slide along the frictionless faces OP and OQ. Assume acceleration due to gravity, g = 10 m/s2 . The mass moment of inertia of the rod about its centre of mass and an axis perpendicular to the plane of the figure is (ML2 /12). At this instant, the magnitude of angular acceleration (in radian/s2 ) of the rod is ____________. GATE ME 2017 Set 2 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 21 English
GATE ME 2017 Set 2
12
A system of particles in motion has mass center $$G$$ as shown in the figure. The particle $$i$$ has mass $${m_i}$$ and its position with respect to a fixed point $$O$$ is given by the position vector $${r_i}$$ . The position of the particle with respect to $$G$$ is given by the vector $${\rho _i}$$ . The time rate of change of the angular momentum of the system of particles about $$G$$ is (The quantity $$\mathop {{\rho _i}}\limits^{..} $$ indicates second derivative of $${\rho _i}$$ with respect to time and likewise for $${r _i}$$). GATE ME 2016 Set 2 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 26 English
GATE ME 2016 Set 2
13
A circular disc of radius 100 mm and mass 1 kg, initially at rest at position A, rolls without slipping down a curved path as shown in figure. The speed v of the disc when it reaches position B is _________ m/s.
Acceleration due to gravity g = 10 m/s2 GATE ME 2016 Set 3 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 24 English
GATE ME 2016 Set 3
14
An inextensible massless string goes over a frictionless pulley. Two weights of 100 N and 200 N are attached to the two ends of the string. The weights are released from rest, and start moving due to gravity. The tension in the string (in N) is __________ . GATE ME 2016 Set 3 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 25 English
GATE ME 2016 Set 3
15
A rigid rod $$(AB)$$ of length $$L = \sqrt 2 $$ m is undergoing translational as well as rotational motion in the $$ x-y$$ plane (see the figure). The point $$A$$ has the velocity $${V_1} = \widehat i + 2\widehat jm/s.$$ The end $$B$$ is constrained to move only along the $x$$ direction. GATE ME 2016 Set 3 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 23 English

The magnitude of the velocity $${V_2}$$ (in $$m/s$$) at the end $$B$ is __________

GATE ME 2016 Set 3
16
A block of mass m rests on an inclined plane and is attached by a string to the wall as shown in the figure. The coefficient of static friction between the plane and the block is $$0.25.$$ The string can withstand a maximum force of $$20$$ N. The maximum value of the mass (m) for which the string will not break and the block will be in static equilibrium is ____________ kg.
Take $$\cos \theta = 0.8$$ and $$\sin \theta = 0.6$$. Acceleration due to gravity g $$=$$ $$10$$ m/s2 GATE ME 2016 Set 1 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 28 English
GATE ME 2016 Set 1
17
A two-member truss $$PQR$$ is supporting a load W. The axial forces in members $$PQ$$ and $$QR$$ are respectively GATE ME 2016 Set 1 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 27 English
GATE ME 2016 Set 1
18
The initial velocity of an object is $$40$$ $$m/s.$$ The acceleration a of the object is given by the following expression: a$$=-0.1v$$
Where v is the instantaneous velocity of the object. The velocity of the object after $$3$$ seconds will be _______
GATE ME 2015 Set 2
19
For the truss shown in the figure, the magnitude of the force (in kN) in the member SR is GATE ME 2015 Set 2 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 30 English
GATE ME 2015 Set 2
20
A ball of mass 0.1 kg, initially at rest, is dropped from height of 1m. Ball hits the ground and bounces off the ground. Upon impact with the ground, the velocity reduces by 20%. The height (in m) to which the ball will rise is _______
GATE ME 2015 Set 1
21
For the truss shown in figure, the magnitude of the force in member PR and the support reaction at R are respectively GATE ME 2015 Set 1 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 33 English
GATE ME 2015 Set 1
22
A bullet spins as the shot is fired from a gun. For this purpose, two helical slots as shown in the figure are cut in the barrel. Projections A and B on the bullet engage in each of the slots. GATE ME 2015 Set 3 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 29 English
Helical slots are such that one turn of helix is completed over a distance of 0.5m. If velocity of bullet when it exits the barrel is 20m/s, its spinning speed (in rad/s) is ________
GATE ME 2015 Set 3
23
For the truss shown in the figure, the forces F1 and F2 are 9 kN and 3 kN, respectively. The force (in kN) in the member QS is GATE ME 2014 Set 4 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 37 English
GATE ME 2014 Set 4
24
A uniform slender rod (8 m length and 3 kg mass) rotates in a vertical plane about a horizontal axis 1m from its end as shown in the figure. The magnitude of the angular acceleration (in rad/s2 ) of the rod at the position shown is _______ GATE ME 2014 Set 4 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 36 English
GATE ME 2014 Set 4
25
A wardrobe (mass 100 kg, height 4 m, width 2 m, depth 1 m), symmetric about the Y-Y axis, stands on a rough level floor as shown in the figure. A force P is applied at mid-height on the wardrobe so as to tip it about point Q without slipping. What are the minimum values of the force (in Newton) and the static coefficient of friction µ between the floor and the wardrobe, respectively? GATE ME 2014 Set 4 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 35 English
GATE ME 2014 Set 4
26
A ladder AB of length 5 m and weight (W) 600 N is resting against a wall. Assuming frictionless contact at the floor (B) and the wall (A), the magnitude of the force P (in newton) required to maintain equilibrium of the ladder is __________400 GATE ME 2014 Set 4 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 34 English
GATE ME 2014 Set 4
27
A truck accelerates up a 10° incline with a crate of 100 kg. Value of static coefficient of friction between the crate and the truck surface is 0.3. The maximum value of acceleration (in m/s2 ) of the truck such that the crate does not slide down is _______
GATE ME 2014 Set 2
28
A rigid link PQ of length 2 m rotates about the pinned end Q with a constant angular acceleration of 12 rad/s2 . When the angular velocity of the link is 4 rad/s, the magnitude of the resultant acceleration (in m/s2 ) of the end P is _______
GATE ME 2014 Set 1
29
A block R of mass 100 kg is placed on a block S of mass 150 kg as shown in the figure. Block R is tied to the wall by a massless and inextensible string PQ. If the coeficient of static friction for all surfaces is 0.4, the minimum force F (in kN) needed to move the block S is GATE ME 2014 Set 1 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 44 English
GATE ME 2014 Set 1
30
A block weighing 200N is in contact with a level plane whose coefficients of static and kinetic friction are 0.4 and 0.2, respectively. The block is acted upon by a horizontal force (in newton) P=10t, where t denotes the time in seconds. The velocity (in m/s) of the block attained after 10 seconds is _______
GATE ME 2014 Set 1
31
A four-wheel vehicle of mass 1000kg moves uniformly in a straight line with the wheels revolving at 10 rad/s. The wheel are identical, each with a radius of 0.2 m. Then a constant braking torque is applied to all the wheels and the vehicle experiences a uniform deceleration. For the vehicle to stop in 10s, the braking torque (in N. m) on each wheel is ___________.
GATE ME 2014 Set 3
32
An annular disc has a mass m, inner radius R and outer radius $$2R$$. The disc rolls on a flat surface without slipping. If the velocity of the center of mass is $$v,$$ the kinetic energy of the disc is
GATE ME 2014 Set 3
33
A body of mass (m) 10kg is initially stationary on a 45° inclined plane as shown in figure. The coefficient of dynamic friction between the body and the plane is 0.5. The body slides down the plane and attains a velocity of 20 m/s. The distance travelled (in meter) by the body along the plane is _______ GATE ME 2014 Set 3 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 40 English
GATE ME 2014 Set 3
34
A pin jointed uniform rigid rod of weight W and length is supported horizontally by an external force F as shown in the figure below. The force F is suddenly removed. At the instant of force removal, the magnitude of vertical reaction developed at the support is GATE ME 2013 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 45 English
GATE ME 2013
35
Two steel truss members, AC and BC, each having cross sectional area of 100 mm2, are subjected to a horizontal force F as shown in figure. All the joints are hinged. GATE ME 2012 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 46 English

The maximum force F in kN that can be applied at C such that the axial stress in any of the truss members DOES NOT exceed 100MPa is

GATE ME 2012
36
Two steel truss members, AC and BC, each having cross sectional area of 100 mm2, are subjected to a horizontal force F as shown in figure. All the joints are hinged. GATE ME 2012 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 47 English

If F = 1 kN, the magnitude of the vertical reaction force developed at the point B in kN is

GATE ME 2012
37
A 1 kg block is resting on a surface with coefficient of friction $$\mu $$ $$=0.1.$$ A force of $$0.8$$ $$N$$ is applied to the block as shown in the figure. The friction force is GATE ME 2011 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 48 English
GATE ME 2011
38
A uniform rigid rod of mass $$M$$ and length $$L$$ is hinged at one end as shown in theadjacent figure. A force P is applied at a distance of $$2L/3$$ from the hinge so thatthe rod swings to the right. The reaction at the hinge is GATE ME 2009 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 49 English
GATE ME 2009
39
A circular disk of radius $$'R'$$ rolls without slipping at a velocity $$v$$. The magnitude of the velocity at point $$'P'$$ (see figure) is GATE ME 2008 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 19 English
GATE ME 2008
40
Consider a truss $$PQR$$ loaded at $$P$$ with a force $$F$$ as shown in the figure. The tension in the member $$QR$$ is GATE ME 2008 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 18 English
GATE ME 2008
41
A block of mass $$M$$ is related from point $$P$$ on a rough inclined plane with inclination angle $$\theta $$, shown in the figure below. The coefficient of friction is $$\mu $$. If $$\mu < \tan \theta $$, then the time taken by the block to reach anorher point $$Q$$ on the inclined plane, where $$PQ=S,$$ is GATE ME 2007 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 20 English
GATE ME 2007
42
If point A is in equilibrium under the action of the applied forces, the values of tensions and T AB and TAC are respectively. GATE ME 2006 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 50 English
GATE ME 2006
43
A shell is fired from a cannon. At the instant the shell is just about to leave the barrel, its velocity relative to the barrel is 3m/s, while the barrel is swinging upwards with a constant angular velocity of 2 rad/sec. The magnitude of the absolute velocity of the shell is GATE ME 2005 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 56 English
GATE ME 2005
44
An elevator (lift) consists of the elevator cage and a counter weight, of mass m each. The cage and the counterweight are connected by a chain that passes over a pulley. The pulley is coupled to a motor. It is desired that the elevator should have a maximum stopping time of t seconds from a peak speed $$V.$$ If the inertias of the pulley and the chain are neglected, the minimum power that the motor must have is GATE ME 2005 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 55 English
GATE ME 2005
45
Two books of mass 1 kg each are kept on a table, one over the other. The coefficient of friction on every pair of contacting surfaces is 0.3. the lower book is pulled with a horizontal force F. the minimum value of F for which slip occurs nbetween the two books is
GATE ME 2005
46
A 1 kg mass of clay, moving with a velocity of 10 m/s, strikes a stationary wheel and sticks to it. The solid wheel has a mass of 20 kg and a radius of 1 m. assuming that the wheel and the ground are both rigid and that the wheel is set into pure rolling motion, the angular velocity of the wheel immediately after the impact is approximately GATE ME 2005 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 51 English
GATE ME 2005
47
The figure below shown a pair of pin jointed gripper tongs holding an object weighing $$2000N$$. The coefficient of friction (µ) at the gripping surface is $$0.1$$ $$XX$$ is the line of action of the input force and $$Y - Y$$ is the line of application of gripping force. If the pin joint is assumed to be frictionless, the magnitude of force $$F$$ required to hold the weight is GATE ME 2004 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 59 English
GATE ME 2004
48
A rigid body shown in the fig.(a) has a mass of 10kg. It rotates with a uniform angular velocity $$'\omega '$$ A balancing mass of 20 kg is attached as shown in fig.(b). The percentage increase in mass moment of inertia as a result of this addition is GATE ME 2004 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 57 English
GATE ME 2004
49
An ejector mechanism consists of a helical compression spring having a spring constant of k = 981 × 103 N/m. It is pre-compressed by 100mm from its free state. If it is used to eject mass of 100kg heald on it, the mass will move up through a distance of GATE ME 2004 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 58 English
GATE ME 2004
50
A reel of mass $$'‘m'’$$ and radius of gyration $$'‘'k’$$ is rolling down smoothly from rest with one end of the thread wound on it held in the ceiling as depicted in the figure. Consider the thickness of the thread and its mass negligible in comparison with radius $$‘'r'’$$ of the hub and the reel mass $$‘'m'’$$, Symbol $$'‘g’'$$ represents the acceleration due to gravity. GATE ME 2003 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 61 English

The linear acceletation of the reel is:

GATE ME 2003
51
A reel of mass $$'‘m'’$$ and radius of gyration $$'‘'k’$$ is rolling down smoothly from rest with one end of the thread wound on it held in the ceiling as depicted in the figure. Consider the thickness of the thread and its mass negligible in comparison with radius $$‘'r'’$$ of the hub and the reel mass $$‘'m'’$$, Symbol $$'‘g’'$$ represents the acceleration due to gravity. GATE ME 2003 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 60 English

The tension in thread is

GATE ME 2003
52
A shown in Figure, a person A is standing at he centre of a rotating platform facing person B who is riding a bicycle, heading East. The relevant speeds and distances are shown in given figure person, a bicycle, heading East. At the instant under consideration, what is the apparent velocity of B as seen by A? GATE ME 1999 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 62 English
GATE ME 1999
53
A mass of 35 kg is suspended from a weightless bar AB which is supported by a cable CB and a pin at A as shown in. The pin reactions at A on the bar AB are GATE ME 1997 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 63 English
GATE ME 1997
54
Match 4 correct pairs between List $$I$$ and List $$II$$. No credit will be given for partially correct matching

List $$I$$
(a) Collision of particles
(b) Stability
(C) Satellite motion
(D) Spinning top

List $$II$$
(1) Euler’s equation of motion
(2) Minimum kinetic energy
(3) Minimum potential energy
(4) Impulse-momentum principle
(5) Conservation of moment of momentum

GATE ME 1996
55
A rod of length 1m is sliding in a corner as shown in. At an instant when the rod makes an angle of 60 degrees with the horizontal plane, the velocity of point A on the rod is 1m/s. The angular velocity of the rod at this instant is GATE ME 1996 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 65 English
GATE ME 1996
56
AB and CD tow uniform and identical bars of mass 10kg each, as shown. The hinges at A and B are frictionless. The assembly is released from rest and motion occurs in the vertical plane. At the instant that the hinge B passes the point B, the angle between the two bars will be GATE ME 1996 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 66 English
GATE ME 1996
57
A spring scale indicates a tension $$T$$ in the right hand cable of the pulley system shown in figure below. Neglecting the mass of the pulleys and ignoring friction between the cable and pulley the mass $$m$$ is GATE ME 1995 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 67 English
GATE ME 1995
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