Question

which principle is used for making watches and clocks

Answer 1

Robert Wrigley, Vintage watchcollector and amateur watchmaker. Originally Answered: Which principle is used for measuring time in clocks and watches? At its most basic, it uses the principle of the pendulum.

Answer 2

Principle of oscillation is used for making watches and clocks

Explanation:

• Clocks and watches, basically use the principle of oscillation or a pendulum to measure the time. The length of a 1 day (24 hours) is divided into minutes and seconds.
• A clock or watch is devised such that 1 revolution or a turn around a clock is 12 hours (1/2 day) with a long hand indicating hour, shorter one indicating the minute as well as a seconds hand.
• The Pendulum uses Gravity to act as a “restoring force”, but that makes the pendulum dependent on its orientation relative to gravity. Thus, a pendulum based clock can’t be tilted or moved easily.
• Watches took this concept, replaced “gravity” with a spiral spring (the hairspring), and turned the pendulum into a circle. While the hairspring isn’t quite as consistent as gravity, it’s close enough that even a hundred years ago, we were able to tweak them to attain accuracy within 5 seconds a day.

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