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Karnataka Board PUCPUC Science Class 11

Can a Pendulum Clock Be Used in an Earth-satellite? - Physics

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Question

Can a pendulum clock be used in an earth-satellite?

Short/Brief Note
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Solution

No. According to the relation :

\[T = 2\pi\sqrt{\frac{l}{g}}\]
The time period of the pendulum clock depends upon the acceleration due to gravity. As the earth-satellite is a free falling body and its geffective (effective acceleration due to gravity ) is zero at the satellite, the time period of the clock is infinite.
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Chapter 12: Simple Harmonics Motion - Short Answers [Page 250]

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HC Verma Concepts of Physics Vol. 1 [English] Class 11 and 12
Chapter 12 Simple Harmonics Motion
Short Answers | Q 12 | Page 250

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