Q.

A simple pendulum hangs from the ceiling of a car. If the car accelerates with a uniform acceleration, the frequency of the simple pendulum will

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a

Increase

b

Decrease

c

Become infinite

d

Remain constant

answer is A.

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Detailed Solution

In this case frequency of oscillation is given by n=12πg2+a2l where a is the acceleration of car. If a increases then n also increases.
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A simple pendulum hangs from the ceiling of a car. If the car accelerates with a uniform acceleration, the frequency of the simple pendulum will