Two clocks are taken from the Earth to the Moon. The first clock uses a pendulum

Question

Two clocks are taken from the Earth to the Moon. The first clock uses a pendulum mechanism, while the second uses a spring-loaded mechanism.
1. What happens with the time displayed by the pendulum clock?
a The pendulum clock runs slower than it would on Earth.
b The pendulum clock runs faster than it would on Earth.
c The pendulum clock runs the same speed as it would on Earth.


2. What happens with the time displayed by the spring-loaded clock?
a The spring-loaded clock runs slower than it would on Earth.
b The spring-loaded clock runs faster than it would on Earth.
c The spring-loaded clock runs the same speed as it would on Earth

Explanation / Answer

A. Since the time period of pendulum is given as, T = 2pi*sqrt(l/g), therefore the time period increases when going to moon since g is decreasing. So, The pendulum clock runs slower than it would on Earth. B) the time displayed by spring loaded clock is same and does not change since its time period depends on the spring constant and mass of the object. So,The spring-loaded clock runs the same speed as it would on Earth. I hope this answers your question. If you have any further query then do ask!

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