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Mechanical Properties Of Fluids

Question
CBSEENPH11020592
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The damping force on an oscillator is directly proportional to the velocity. The units of the constant of proportionality are

  • kg ms-1

  • kg ms-2

  • kgs-1

  • kg s

Solution

C.

kgs-1

Given,
Daming space force space proportional to space velocity straight F proportional to space straight v space straight F equals space kv straight k equals straight F over straight v Unit space of space straight k space equals space fraction numerator unit space of space straight F over denominator unit space of space straight v end fraction equals space fraction numerator kg minus ms to the power of negative 2 end exponent over denominator ms to the power of negative 1 end exponent end fraction space equals space kgs to the power of negative 1 end exponent

Some More Questions From Mechanical Properties of Fluids Chapter

What is an oscillatory motion?

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Define frequency.

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In the displacement equation y = r sin(ωt/ + ϕ) what does ϕ called and what information does it give?

What determines the natural frequency of an oscillator?

Is there any relation between uniform circular motion and simple harmonic motion?

What is periodic motion?

Write down the expression for the instantaneous velocity and acceleration of particle vibrating in simple harmonic motion.

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