So what is a rigid body?
A rigid body is an idealized solid body that is not affected by external forces. The distance between two rigid bodies remains the same regardless of the externals forces on them. This does not happen in reality and typical conditions.
When a rigid body is in equilibrium it experiences no net force or torque to cause linear or rotational motion.
Check out this video for a good explanation of rigid body equilibrium with an example.
When a rigid body is in equilibrium it experiences no net force or torque to cause linear or rotational motion.
Check out this video for a good explanation of rigid body equilibrium with an example.