   Chapter 13.5, Problem 13.9QQ

Chapter
Section
Textbook Problem

The period of a simple pendulum is measured to be T on the Earth. If the same pendulum were set in motion on the Moon, would its period be (a) less than T, (b) greater than T, or (c) equal to T?

To determine
How the period of a simple pendulum changes when moved to moon from earth.

Explanation

The period of a simple pendulum which is having a bob of mass m which is suspended by a light string of length L is given by,

T=2πLg

• T is the time period of the simple pendulum
• L is the length of the string which suspend the bob of the pendulum
• g is the free fall acceleration

The value of free fall acceleration g on moon is about one sixth of the value of free fall acceleration on earth

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