1
GATE ME 2000
MCQ (Single Correct Answer)
+1
-0.3
The ratio of tension on the tight side to that on the slack side in a flat belt drive is
A
proportional to the product of coefficient of friction and lap angle.
B
an exponential function of the product of coefficient of friction and lap angle.
C
proportional to the lap angle
D
proportional to the coefficient of friction.
2
GATE ME 1998
MCQ (Single Correct Answer)
+1
-0.3
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
A
7m/s2
B
50m/s2
C
25m/s2
D
10m/s2
3
GATE ME 1996
MCQ (Single Correct Answer)
+1
-0.3
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
A
the velocity of ball A is $${1 \over 2}\sqrt {2gh}$$
B
the velocity of ball A is zero
C
the velocity of both ball is $${1 \over 2}\sqrt {2gh}$$
D
None of the above
4
GATE ME 1996
MCQ (Single Correct Answer)
+1
-0.3
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
A
$$\mu$$mg
B
$$T$$/r
C
zero
D
none of the above
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