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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 9 - Circular Motion > A hollow cylinder of radius R rotates about its axis which is vertical. A block remains in contact with the inner wall if the frequency of rotation is f hertz, but falls at lower frequencies. The coefficient of friction between the block and the cylinder is

A hollow cylinder of radius R rotates about its axis which is vertical. A block remains in contact with the inner wall if the frequency of rotation is f hertz, but falls at lower frequencies. The coefficient of friction between the block and the cylinder is

A hollow cylinder of radius R rotates about its axis which is vertical. A block remains in contact with the inner wall if the frequency of rotation is f hertz but falls at lower frequencies. The coefficient of friction between the block and the cylinder is