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A solid cylinder of mass 10 kg and radiu...

A solid cylinder of mass 10 kg and radius 15 cm is rolling perfectly on a plane of inclination `30^(@)`. The coefficient of static friction, `mu_(s)=0.25` (i) Find the force of friction acting on the cylinder. (ii) What is the work done against friction during rolling ? (iii) If the inclination `theta` of the plane is increases, at what value of `theta` does the cylinder begin to skid, and not roll perfectly ?

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