Question

what is the principle of the pendulam clock​

Answer 1

A pendulum clock keeps good time because the pendulum moves backwards and forwards. This is what is the oscillation. Many mechanical systems oscillate if their being disturbed. All clocks, including pendulum clocks, work on the principle of periodic motion

Answer 2

Answer:

oscillation

Explanation:

the pendulum works on the principle of moving forward and backward (oscillation) with periodic motion