plzz answer me 39 nd 40 ques.
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(a) for positive work done : if the work done by the object is in the direction of force then the work done is positive
(2) for negative work done : when the work is done in the opposite direction of the force then the work done is said to be negative
(3) 40 work done : when the force did not able to move the object forward and the work done is said to be zero
hope it will help you
(2) for negative work done : when the work is done in the opposite direction of the force then the work done is said to be negative
(3) 40 work done : when the force did not able to move the object forward and the work done is said to be zero
hope it will help you
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