Questions
A cylinder of radius R is spinned and then placed on an incline having coefficient of friction ( is the angle of incline). The cylinder continues to spin without falling for time :
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Correct option is B
Frictional force = mg sinθ, so net force along the plane = 0torque τ=mgsinθ×R=Iα opposing the motion. Useω=ω0+αt to find t.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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