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Question

A simple pendulum of mass m and length l is oscillating along a circular arc of angle ϕ. Another bob of mass m is lying at the extreme position of the arc. The momentum imparted by the moving bob to the stationary bob will be:

A
mlvcosϕ
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B
mvsinϕ
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C
mlvϕ
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D
zero
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Solution

The correct option is D zero
At extreme position velocity is zero, thus no momentum will be imparted.

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