A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will____________________?
2
Kinetic friction is the________________?
3
Dynamic friction as compared to static friction is________________?
These are just sample questions. The actual quiz contains 15 questions.
