The net torque on a rigid body due to its internal forces is always?

Q. The net torque on a rigid body due to its internal forces is always zero.

Q. Which of the following conditions are necessary for a rigid body to be in mechanical equilibrium?
Condition 1: Net external force acting on body is zero.
Condition 2: Net external torque acting on body is zero.
Condition 3: Internal forces and torque due to internal forces must be absent.

Q. If the net force acting on a rigid body is zero it implies?

Q. If the net force acting on a rigid body is zero, it implies that ___

Q. For rotational equilibrium of a rigid body, it is essential that net torque about the axis of rotation must be zero.