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Give the expression for the damping forc...

Give the expression for the damping force acting on an oscillating system (simple pendulum) due to the pressure of surroundng medium along the the meanings of the symbols used.

Text Solution

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`F_(d)=-bv`, where .b. is a constant and depends on characteristic of the medium .v. is velocity of the bob/block and `-ve` sign indicates that damping force acts opposite in direction to the velocity.
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