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प्रश्न
A ball was set rolling on a large table. If its ______ is to be changed, a ______ will have to be applied on it.
विकल्प
force
motion
gravitation
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उत्तर
A ball was set rolling on a large table. If its motion is to be changed, a force will have to be applied on it.
संबंधित प्रश्न
State the effects of a force applied on a non-rigid and a rigid body. How does the effect of the force differ in the two cases?
Give one example in the given cases:-
A force moves a stationary body
Prove the force = mass x acceleration. State the condition when it holds.
Define 1 kgf how is it related to Newton?
Complete the following
1 N = ..........dyne.
A cricket ball of mass 100 g strikes the hand of a player with a velocity of 20 ms-1 and is brought to rest in 0.01 s calculate
1) the force applied by the hand of the player.
2) the acceleration of the ball
A lead bullet of mass 20g, travelling with a velocity of 350 ms-1, comes to rest after penetrating 40 cm in a still target. Find:
1) the resistive force offered by the target and
2) the retardation caused by it
A mechanic unscrew a nut by applying a force of 140 N with a spanner of length 40 cm. What should be the length of the spanner if a force of 40 N is applied to unscrew the same nut?
Mention the two types of forces.
The moon attracts Earth with a force of 1020 N, and then the force with which the Earth attracts the moon is ______.
