Question

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Answer 1

1) the velocity of an object at rest is always zero .

2)does not change with time . hence ,is considered be uniform

3)when an object falls freeally the only force acting on the object is that due to the earth's gravity.

4)action and recursion force act can different bodies hence through there magnetude are equal ate direction are apposite their effects do not get cancelled

5)the capacity of body to perform work is called it's energy

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