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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
Give one example in the case where the force is of contact.
Give one example in the given cases:-
A force changes the shape of a body
Complete the following sentence:
Mass X change in velocity = ............x time interval.
Complete the following
Newton is the unit of .................
Two balls of masses in ratio 1 : 2 are dropped from the same height find
a) the ratio between their velocities when they strike the ground and
b) the ration if the forces acting on them during motion.
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
The adjacent diagram shows a heavy roller, with its axle at O, which is to be raised on a pavement XY. If there is friction between the roller and pavement, show by an arrow on the diagram the point of application and the direction of force to be applied. If pivoted at O, now will it go up?
State the condition when on applying a force, the body has the translational motion.
______ has to be applied to change the ______ of a ______ object.
(moving, direction, force)
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?
