The damping force on an oscillator is directly proportional

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The damping force on an oscillator is directly proportional to the velocity. The unit of the constant of proportionality is :

1. kgms^–1
2. kgms^–2
3. kgs^–1
4. kgs

Correct Option: C

F ∝ v ⇒ F = kv

k =	F	⇒ [k] =	\| kgms^-2 \|	= kgs^-1
	v		\| ms^-2 \|