The energy of the particle executing damped oscillations decreases with time, because work is done against

restoring force

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elastic tension

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frictional force

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both restoring force and friction

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Solution

The correct option is C frictional force
Frictional force oppose the vibrations

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The energy of the particle executing damped oscillations decreases with time, because work is done against

The correct option is C frictional forceFrictional force oppose the vibrations

The correct option is C frictional force
Frictional force oppose the vibrations