Question

a porter keeps standing at a place while holding a suitcase of mass 20 kg over his head for five minutes has he done some work give reason for your answer

Answer 1

Answer:

no

Explanation:

because the work didn't started nor done

Answer 2

Answer:

Here, no work is done by the porter

because the angle between force and

Displacement is 0°.So effect of work

would be produced by the porter.

Hope it helps!