1-- SECOND PENDULUM IS USED IN PENDULUM CLOCK .

Is the pendulum used in a pendulum clock simple pendulum?

No, the pendulum used in pendulum clock is not a simple pendulum because the simple pendulum is an ideal case. We cannot have a heavy mass having the size of a point and string having no mass.

What is the pendulum of the clock?

pendulum, body suspended from a fixed point so that it can swing back and forth under the influence of gravity. Pendulums are used to regulate the movement of clocks because the interval of time for each complete oscillation, called the period, is constant.