# LAWS OF MOTION

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LAWS OF MOTION - Topic Wise Multiple Choice Questions (MCQ)

Topic Wise free Laws of Motion MCQ with solutions for 11th 12th exam Practice Multiple Choice Questions and answer for JEE-mains State CET Engineering Entrance GATE free Online Test

1 )

The velocity of a body of mass 20 kg decreases from 20ms–1 to 5ms–1 in a distance of 100m. Force on the body is

– 27.5 N
– 47.5 N
– 37.5 N
– 67.5 N

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2 )

A ball of mass 0.2 kg is thrown vertically upwards by applying a force by hand. if the hand moves 0.2m while applying the force and the ball goes up to 2m height further. find the magnitude of the force. (Consider g = 10 ms–1)

16 N
20 N
22 N
4 N

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3 )

Formula for true force is

F = ma
F = m (dv / dt)
F = d(mv) / dt
F = d(mv) / dt

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4 )

A Particle moves in the X–Y plane under the influence of a force such that its linear momentum is P(t) = A[i cos(kt) – jsin(kt)] where A and k are constants. The angle between the force and momentum is

30°
90°
45°

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5 )

Force of 5 N acts on a body of weight 9.8 N. what is the acceleration produced in ms–2.

49.00
5.00
1.46
0.51

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