(A) : If body or a system has neither translational nor rotational motion then it is in complete mechanical equilibrium.
(R ) : A body or system is said to be in mechanical equilibrium when net force and net torque acting on the body are zero.

Options

A. Both 'A' and 'R' and true and 'R' is the correct explantation of 'A'
B. Both 'A' and 'R' and true and 'R' is not the correct explantation of 'A'
C. A' is true and 'R' is false
D. A' is false and 'R' is true

Answer

A