Which of the following conditions must be true for a rigid object to be in…
PHYSICS · Single correct · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics
Problem
Which of the following conditions must be true for a rigid object to be in translational equilibrium?
(a) The object is at rest relative to Earth.
(b) Every external force acting on the object is individually zero.
(c) The vector sum of all external forces acting on the object is zero.
(d) The vector sum of all external torques acting on the object is zero.