. A block of mass M rest on a rough horizontal surface. The coefficient of friction between the block and the surface is . A force F = Mg acting at an a

A block of mass M rest on a rough horizontal surface. The coefficient of friction between the block and the surface is

. A force F = Mg acting at an angle

with the vertical side of the block pulls it. In which of the following cases, the block can be pulled along the surface?

Correct Answer:

(D):

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