Questions
A cylinder of mass M, radius R is resting on a horizontal platform (which is parallel to x-y plane) with its axis fixed along the y-axis and free to rotate about its axis. The Platform is given a motion in x-direction given by There is no slipping between the cylinder and platform. The maximum torque acting on the cylinder during its motion is
detailed solution
Correct option is A
The motion of platform is described by equationx=acosωt∴ velocity =dxdt=−aωsinωt and acceleration =d2xdt2=−aω2cosωtSO, amax=aω2Now, τmax=Iαmax=IamaxR=12MR2aω2R=12MRaω2Talk to our academic expert!
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