Question

The angle of friction is

• A. The angle which frictional force makes with vertical
• B. The angle which frictional force make swith external force
• C. The angle between the normal reaction and the resultant normal reaction and limiting friction
• D. The angle between the resultant of normal reaction and limiting friction with horizontal

Answer 1

Answer:

C. The angle between the normal reaction and the resultant normal reaction and limiting friction