1.

In the arrangement shown in the figure. The mass of wedge A and that of the block B are 3m and in respectively. Friction exists between A and B only. The mass of the block C is m.The force F = 19.5 m x g is applied on the block C as shown in the figure. The minimum coefficient of friction (\[\mu \]) between A and B so that B remains stationary with respect to wedge A will be

A. \[\frac{2}{3}\]
B. \[\frac{1}{10}\]
C. \[\frac{2}{5}\]
D. \[\frac{1}{4}\]
Answer» E.


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