A ball with I = (2/5)MR2 is placed on a plane inclined at angle θ. The plane is accelerated upwards (along its direction) with acceleration a For what value of a will the CM of the ball not move? Assume that there is sufficient friction so that the ball doesn’t slip with respect to the plane.

Question

anonymous · Answer

what does this I = (2/5)MR2  stand for?
the weight or what?

anonymous · Answer

I stands for the moment of inertia. CM is the Center of Mass