Q160. A two-car train, with data as given in Fig. is pulled by a child on a horizontal frictionless surface. The strings are massless. The force exerted by car A on the string S is:Physics — NUST Mock 5 — Question 160 of 200A. 10NB. 20NC. ZeroD. 15NPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →