Q. If the normal force is doubled, the coefficient of friction is
A) Not changed
B) Halved
C) Doubled
D) Tripled
Explanation
(a) Coefficient of friction is constant for two given surfaces in contact. It does not depend upon the weight or normal reaction
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.