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Physics Question on Energy in simple harmonic motion

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

A

kg ms−1kg\,ms^{-1}

B

kg ms−2kg\,ms^{-2}

C

kg s−1kg\,s^{-1}

D

kg skg\,s

Answer

kg s−1kg\,s^{-1}

Explanation

Solution

F=KvF = K v
K=FvK =\frac{ F }{ v }
Unit of K=kgms−2ms−1=kgs−1K =\frac{ kg ms ^{-2}}{ ms ^{-1}}= kg s ^{-1}