JEE Main 2018Medium
Q.A ring rolls without slipping down an incline of angle θ. The frictional force is
a
Mg sin θ / 2 up the plane
b
Mg sin θ / 2 down the plane
c
Mg sin θ up the plane
d
zero
Correct Answer: Option A
The correct solution involves applying the fundamental concept to derive the final value step by step...