Home Physics Simple Harmonic Motion (Oscillations) Equation of SHM According to a scientists, he applied a forc…
Physics Simple Harmonic Motion (Oscillations) Equation of SHM MCQ (Single Correct)

According to a scientists, he applied a force F= –cx 1/3 on a particle and the particle is performing SHM. No other force acted on the particle. He refuses to tell whether c is a constant or not. Assume that he had worked only with positive x then:

A
as x increases c also increases
B
as x increases c decreases
C
as x increases c remains constant
D
the motion cannot be SHM

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Verified by Experts
The correct answer is:
A

Comparing F = –kx

with F = –cx 1/3

⇒ kx = cx 1/3

⇒ c = kx 2/3 As x increases c also increases. x

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