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Displacement of COM:Application

If a mass spr...

Question

If a mass spring is hung vertically and set into oscillations, why does the motion eventually stop?

A

Due to restoring force, it opposes motion

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B

Due to spring force, it weakens after sometime

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C

Due to damping force, it decreases stored energy

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D

Due to mass, it decreases with time

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Solution

The correct option is C Due to damping force, it decreases stored energy
Damping force is always against velocity. So, it always does negative work.

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