If a rigid body is in rotational equilibrium, all of the following statements are valid except
A) the body will experience no angular accelerations about the center-of-mass axis.
B) the body will experience no angular accelerations about any axis.
C) the body will experience no torques about any axis.
D) none of the above.

Question

Quizplus · Accepted Answer

Rotational equilibrium implies that the net torque acting on the body is zero, which prevents angular acceleration. However, this condition does not necessarily mean that the body experiences no torques about any axis; it means that the sum of the torques is zero. Therefore, statements A and B are true under rotational equilibrium, making D the correct choice because it implies that all other statements are valid, which is not the case.

If a Rigid Body Is in Rotational Equilibrium, All of the Following