Questions
A wheel having moment of inertia of 2 kg-m2 about its vertical axis, rotates at the rate of 60 rpm about this axis. The torque which can stop the wheel's rotation in one minute would be
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Correct option is C
Given that I=2kg−m2,ω0=(60/60)×2πrad/sec ω=0 and t=60sec Now, torque λ=Iα=Iω0−ωt∴ λ=22π−060=π15N−mSimilar Questions
A body is placed on a horizontal frictionless surface. When a horizontal force F is applied on the body, it is observed that the body makes only translational motion. The which of the following points may be the positions of its centre of mass?
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