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Question

A ball of mass m is moving in a non-uniform circular path with angular velocity ω and tangential acceleration at as shown in figure. What will be the direction of net force acting on the body at point C?


A
Along CF
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B
Along CA
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C
Along CG
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D
Along CB
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Solution

The correct option is C Along CG
At point C,
ac=Rω2
& at=at(given)
acat, anet=a2t+a2c
i.e tanθ=atac


Hence, net acceleration can act along CG shown in figure.

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