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Explanation:
- When you hit a football which is in rest it changes its state to motion
- When you squeeze a sponge it's shape changes
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Answer:
It's Newton's first law which states that when a body is at rest or state of motion it remains in state of rest or state of motion until an external force is applied to it.
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FORCE TO CHANGE THE STATE OF MOTION :-
a) when a ball is at rest, it remains to in a state of rest until an external force i.e. kick is applied to it.
b) when a ball is in motion, it remains to be in motion until an external force is applied to it to stop the ball.
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FORCE TO CHANGE THE SHAPE OF A OBJECT :-
a) when force is applied over a body suppose clay it changes it's dimensions, shape and size.
b) same as when force is applied over a sponge it also changes it's dimension.
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hope it will help you.....
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