Three objects can only move along a straight, level path. The graphs show the position d of each of the objects plotted as a function of time t. The sum of the forces on the object is zero in which of the cases? (A) II only (B) III only (C) I and II only (D) I and III only (E) I, II, and IIIRead more on Sarthaks.com - https://www.sarthaks.com/371268/three-objects-only-along-straight-level-graphs-show-position-objects-plotted-function-time