First slide

Applications of SHM

Question

A simple pendulum is vibrating in an evacuated chamber, it will oscillate with

Moderate

A

Increasing amplitude
B

Constant amplitude
C

Decreasing amplitude
D

First (c) then (a)

Solution

As it is clear that in vacuum, the bob will not experience any frictional force. Hence, there shall be no dissipation therefore, it will oscillate with constant amplitude.

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