Q53. A boy holds a 400 N weight at arm's length for 10s. His arm is 1.5m above the ground. The work done by the force of the boy on the weight while he is holding it is:Physics — Work, Power and Energy — Question 53 of 238A. 0B. 900JC. 600JD. 400JPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →