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1)

The damped SHM , the SI unit of damping constant is 


A) Ns

B) kgs

C) kgm

D) Nm

Answer:

Option B

Explanation:

In damped SHM, damping force is  proportional to the velocity of the oscillator

i.e,     Fdv=Fd=bv

 where, b is a damping constant

  Damping constant , b=Fdv

 SI unit of damoing constant

 b= SI unit of force / SI unit of velocity =kg.m.s2m.s1

 = kg. s-1= kg/s