1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
A block of mass m is placed on a smooth wedge of inclination $$\theta $$. The whole system is accelerated horizontally so that the block does not slip on the wedge. The force exerted by the wedge on the block will be (g is acceleration due to gravity)
A
mg cos$$\theta $$
B
mg sin$$\theta $$
C
mg
D
mg/cos $$\theta $$
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The coefficient of static friction, $$\mu $$s, between block A of mass 2 kg and the table as shown in the figure is 0.2. What would be the maximum mass value of block B so that the two blocks do not move? The string and the pulley are assumed to be smooth and massless. (g = 10 m/s2)

AIPMT 2004 Physics - Laws of Motion Question 20 English
A
2.0 kg
B
4.0 kg
C
0.2 kg
D
0.4 kg
3
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The ratio of the radii of gyration of a circular disc about a tangential axis in the plane of the disc and of a circular ring of the same radius about a tangential axes in the plane of the ring is
A
2 : 3
B
2 : 1
C
$$\sqrt 5 :\sqrt 6 $$
D
$$1:\sqrt 2 $$
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
A round disc of moment of inertia $$I$$2 about its axis perpendicular to its plane and passing through its centre is placed over another disc of moment of inertia $$I$$1 rotating with an angular velocity $$\omega $$ about the same axis. The final angular velocity of the combination of discs is
A
$${{{I_2}\omega } \over {{I_1} + {I_2}}}$$
B
$$\omega $$
C
$${{{I_1}\omega } \over {{I_1} + I{}_2}}$$
D
$${{\left( {{I_1} + {I_2}} \right)\omega } \over {{I_1}}}$$