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A cylinder of mass M and radius R is to ...

A cylinder of mass `M` and radius `R` is to be raised on a horizontal step of height `h=R/3`. Cylinder is pulled by a rope as shown in figure. Assuming no slipping, the minimum value of force F to raise the cylinder is

A

`2/sqrt7 (Mg) `

B

`2/sqrt5 (Mg) `

C

`2/sqrt3 (Mg) `

D

Mg

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