Q129. What is the work done in holding an object with a mass of 20 kg stationary at a height of 2 m?Physics — NUST Mock By Dogers 3 — Question 129 of 200A. 10 JB. 20 JC. 30 JD. 0 JPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →