1.

A body is kept on a rough horizontal surface of angle of friction 'alpha' and moved by applying a force of magnitude 'F' making angle 'theta' with horizontal. Arrange the following cases in the order of increasing magnitude for F.(i) F is pulling force and theta = alpha(ii) F is pulling force and theta = 0(iii) F is pulling force and alpha = theta = 0(iv) F is pushing force and theta = alpha

Answer»

IV, III, II and i
i, ii, iii and iv
i, ii, iv and iii
iii, i, ii and iv

ANSWER :D


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