1.

A block of mass 2 kg rests on a rough inclined plane making an angle of 30° with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is            [IIT 1980; J & K CET 2004]                

A.                 9.8 N                     
B.                 \[0.7\times 9.8\times \sqrt{3}\,N\]                
C.                 \[9.8\times \sqrt{3}\,N\]                
D.                    \[0.8\times 9.8\,N\]
Answer» B.                 \[0.7\times 9.8\times \sqrt{3}\,N\]                


Discussion

No Comment Found

Related MCQs