Q. A cylinder rolls without slipping down an inclined plane, the number of degrees of freedom it has, is
A) 2
B) 3
C) 5
D) 1
Explanation
(a) As degree of freedom is defined as the number of independent variables required to define body’s motion completely. Here $f = 2$ (1 Translational + 1 Rotational)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.