# 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   