Answers

2015-06-26T21:25:35+05:30
A push or pull is called force.

force can : 

 1.Move an object
2. Stop a moving object
3. Change the speed of an object
4. Change the shape and size of an object
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2015-06-26T23:13:53+05:30
Push or pull is known as a force
its stop the moving object 
its can change the size and shape of the body
its tends to move an object
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