Question

4.When the force is applied on an object but the object does not move, it means that 1-no power is used 2-no work is done 3-work is done 4-power is used

Answer 1

Answer:

Ans. Work is said to be done when force applied on an object shows the displacement ... Ans. Power is defined as the rate of work done. ... (d) No displacement, hence no work is ...

Answer 2

Answer: option two is correct                                                                                                   i.e. no work is done

Explanation: since work is force times displacement thus the ans is 0

work = force * displacement

here force is exerted but it does not bring the object in motion

thus f has some non zero value (we are not provided that the net resultant force is zero) but the value of displacement is 0

thus ,

work = f * 0

thus work is 0

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