A block of mass 3 kg is at rest on a rough inclined plane with angle of inclination 30° with horizontal. If .is 0.7, then the frictional force is –
A. 17.82 N
B. 1.81 N
C. 3.63 N
D. 2.1 N
Answer:A
A block of mass 3 kg is at rest on a rough inclined plane with angle of inclination 30° with horizontal. If .is 0.7, then the frictional force is –
A. 17.82 N B. 1.81 N C. 3.63 N D. 2.1 N