When a rigid body is suspended vertically and it oscillates with a small amplitude
under the action of the force of gravity, the body is known as
(A) simple pendulum
B) torsional pendulum
(C) compound pendulum
(D) second’s pendulum
under the action of the force of gravity, the body is known as
(A) simple pendulum
B) torsional pendulum
(C) compound pendulum
(D) second’s pendulum