Question

How is periodic movement of a pendulem used in making watches​

Answer 1

Answer:

Periodic motion of a pendulum has been used to make clocks and watches. ... The distance-time graph for the motion of an object moving with a constant speed is a straight line. Explanation: A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element

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Answer 2

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The periodic movement of the pendulum is used to make clocks based on swings provided by gravitational force of attraction. The pendulum swings back and forth based on gravitational force. This results in earth mass attracting the mass of the bob. This can be studied with time distance graph.