Answers

2014-06-22T21:03:16+05:30
F=m*a
force is pull or push done by body'it changes the state of body from rest to motion or vice versa
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2014-06-23T02:03:40+05:30
Force is that physical cause which changes or tends to change the state of rest or motion of a body.
F=m.a
Effects of force-
it can change speed,shape ,direction and size of a body.
hope i helped u:)
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