1.

Passage - IV : A solid sphere is kept over a smooth surface. It is hit by a cue at 'h' height above the centre ''C'', with same force, for different values of h in terms of R. In the surface is rough then after hitting the sphere, the case in which, friction is in forward direction, in above question is

Answer»

In CASE 2
Case 1
Both case 1 and 2
neither in case (1) or (2)

ANSWER :A


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