A block of mass 2 kg rests on a rough inclining 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 -
1) 0.7 x 9.8 Newton 2) 9.8 Newton
3)0.7 9.8 13 Newton 4) 9.8 x 13 Newton
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