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Question

If I,a and t are the moment of inertia, angular acceleration and torque respectively of a body rotating about any axis with angular velocity ω, then

A
t=Ia
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B
t=Iω
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C
I=tω
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D
a=Iω
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Solution

The correct option is A t=Ia
Definition of torque =Product of MOI× Ratio of change of ω
t=Iα

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