Question

an object moves in a circle at constant speed. they work done by the centripetal force is zero because

Answer 1

Work done by centripetal force is zero because there is no displacement of body (Work depends on Displacement) thus if displacement is zero then work is zero. If you are writing this answer for ICSE then write in four points


First - *This concept is related to moment of force
*moment of force = F*S
*Thus, if displacement=0 then F*0=0
*Hence we can say that when a particle in centripetal force, work done is zero because displacement is zero