A force can:

Change the direction of motion

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Change the speed of the motion

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Break a rigid body

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All of the above

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Solution

The correct options are
A
Change the direction of motion

B
Change the speed of the motion

C
Break a rigid body

D
All of the above

A force can:

1) Change the direction of motion- Batsman hitting a ball.
2) Change the speed of a body- A car speeds up when force is applied by the engine.
3) Break a rigid body- Breaking a chalk.

4)Change the shape of a body- A rubberband elongates when a force is applied.

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Similar questions

Q. If a force is applied to a moving object, it may change the speed or the direction of motion of the object.

Observation 1: Try to stop a ball coming towards you,so as to save a boundary, by applying a force of some magnitude in the opposite direction of the motion of ball.

Observation 2: In this case apply the force of same magnitude but in same direction of the motion of the ball.

In observation 1 boy saves a boundary by applying a force opposite to the direction of motion but in observation 2, the change in direction of force cost the team 4 runs as the change in direction of force pushed the ball further to the boundary.

So, the change in effect of a force can be experienced by a change in it's direction as well as magnitude. The above statement is :-

Q. Which of the following effect cannot be produced by an unbalanced force acting on a body?

(a) change in speed of the body
(b) change in shape of the body
(c) change in direction of motion of body
(d) change in state of rest of the body

Q. If a body is moving with a constant speed along a straight line; then in order to change its direction of motion, an external force has to be applied in a direction normal to the direction of motion.

Q. A constant force acting on a body of mass of 5kg change its speed from 5

m s^{- 1}

to 10

m s^{- 1}

in 10 s without changing the direction of motion. The force acting on the body is