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Question

A homogeneous solid cylindrical roller of radius R and mass m is pulled on a cricket pitch by a horizontal force. Assuming rolling without slipping, angular acceleration of the cylinder is

A
3F2mR
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B
3F2mR
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C
2F3mR
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D
F3mR
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Solution

The correct option is C 2F3mR
Diagram
Formula Used: τ=Iα
Taking torque about point of contact
FR=32MR2α
α=2F3MR

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