How much work is done by a coolise walking on a frontal plastikam vidio a load on his head ? Explain

How much work is done by a coolise walking on a frontal plastikam vidi

1.	How much work is done by a coolise walking on a frontal plastikam vidio a load on his head ? Explain
Answer» SOLUTION :W=0 as his displacement is along the horizontaldirection and in ORDER to balance the LOAD on his HEAD, he APPLIES force on it in the upward direction equal to its weight. Thus angle between force and displacement is zero