Q123. A particle moves in a circle of radius r under the action of a centripetal force equal to -k/r2 r, where k is a constant. The total energy of the particle is:Physics — NUST Mock 3 — Question 123 of 200A. Option AB. Option BC. Option CD. Option DPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →