Static Equilibrium, Center of Gravity, and Elasticity – Lecture 11 (University Physics I)

For a rigid body to be in static equilibrium, what must be true?

1. A.The net force on the body must be zero.
2. B.The net torque on the body must be zero.
3. C.Both the net force and the net torque must be zero.
4. D.Only the center of mass must be at rest.