Questions
A wheel having moment of inertia 2 kg-m2 about its vertical axis, rotates at the rate of 60 rpm about an axis. The torque which can stop the wheel's rotation in the minute would be :
detailed solution
Correct option is B
From τ=Iα and ω=ω0+αt where ω0=60×2π60=2πrad/sWe have τ=Iω0t=22π60=π15N−mTalk to our academic expert!
Similar 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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