A uniform cylinder of mass M and radius R is to be pulled over a step of height a (a < R) by applying a force F at its center' O' perpendicular to the plane through the axes of the cylinder on the edge of the step (see figure). The minimum value of F required is :
Option: 1
Option: 2
Option: 3
Option: 4
For minimum force to topple
Let the net torque about point P tends to zero
i.e
And
So
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