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    Mechanical Properties of Fluids
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    A body is dropped in a viscous liquid. How will velocity of the body change with time?
    When a body is dropped in a viscous liquid, the velocity of the body first increases exponentially with time and then acquires constant value called terminal velocity. 
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    What are the cgs units of kinematic viscosity and fluidity?
    CGS unit of kinematic viscosity is stokes (St), named after George Gabriel Stokes.

    CGS unit of fluidity is poise    –1.  
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    Define fluidity.
    Fluidity is measure of the ease with which the liquid can flow and is equal to reciprocal of coefficient of viscosity. 
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    Define coefficient of kinematic viscosity.
    The coefficient of kinematic viscosity of a fluid is defined as the ratio of coefficient of viscosity to the density of fluid.
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    What are similarities between solid friction and viscosity?

    Both solid friction and viscosity oppose the relative motion of the flow of liquid due to intermolecular forces.
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