Questions
The angular momentum of a rotating body changes from A0 to 4A0 s in 4 sec. The torque acting on the body is :
detailed solution
Correct option is A
Torque τ=ΔLΔt=4A0−A04=34A0Talk to our academic expert!
Similar Questions
A disc can rotate about an axis passing through its centre and perpendicular to the plane of the disc. Initially the disc is stationary and its moment of inertia about the axis is 4 Kg-m2. A torque is applied on the disc which varies with time according to the graph shown in figure. Then angular velocity of the disc at the end of 6th second is
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