# A boy is pushing a ring of mass 2 kg and radius 0.5 m with a stick as shown in the figure. The stick applies a force of 2 N on the ring and rolls it without slipping with an acceleration of . The coefficient of friction between the ground and the ring is large enough that rolling always occurs and the coefficient of friction between the stick and the ring is . The value of  is

## Question ID - 101434 :- A boy is pushing a ring of mass 2 kg and radius 0.5 m with a stick as shown in the figure. The stick applies a force of 2 N on the ring and rolls it without slipping with an acceleration of . The coefficient of friction between the ground and the ring is large enough that rolling always occurs and the coefficient of friction between the stick and the ring is . The value of  is

3537

(4)

Note : If net force applied by the rod is considered to be 2 N

(i)

From Eqs. (i) and (ii),

From Eq. (ii),

Note: But if only normal reaction applied by the rod is considered to be 2 N

II Law

(i)

(ii)

Next Question :

A uniform rod  of mass 2 kg is hinged at one end .The rod is kept in the horizontal position by a massless string tied to point . Find the reaction of the hinge (in N) on end  of the rod at the instant when string is cut