Mechanical Engineering Mcqs

Angle of friction is the_______________________?
  • (A)  angle between normal reaction and the resultant of normal reaction and the limiting friction
  • (B)  ratio of limiting friction and normal reaction
  • (C)  the ratio of minimum friction force to the friction force acting when the body is just about to move
  • (D)  the ratio of minimum friction force to friction force acting when the body is in motion
  • (E)  ratio of static and dynamic friction