TWO BOYS ARE RIDING ON A MERRY GO ROUND WHICH ARE TURNING AT A CONSTANT RATE.BOY 'A' IS AT OUTER RIM.AND

BOY 'B' IS CLOSER TO CENTER OF ROTATION.WHO HAS TO HOLD ON TIGHTER?PLZZZ EXPLAIN WITH REASON.(ASSUME THEIR

MASSES TO BE SAME).............??????????????

Question

TWO BOYS ARE RIDING ON A MERRY GO ROUND WHICH ARE TURNING AT A CONSTANT RATE.BOY 'A' IS AT OUTER RIM.AND

BOY 'B' IS CLOSER TO CENTER OF ROTATION.WHO HAS TO HOLD ON TIGHTER?PLZZZ EXPLAIN WITH REASON.(ASSUME THEIR

MASSES TO BE SAME).............??????????????

Shivam Bhagat · Answer

boy B needs hold more tightly because 1. boy B has to face more centrifugal force as mv2/r=F 2. Boy B has less moment of inertia(mr2)

Ritvik Gautam · Answer

Boy A has to hold tightly. Reason: We know, Torque = RxF Hence, we can say, that the person who is at a greater distance from the axis of rotation (center of merry-go-round) experiences a greater torque. Since, he faces more torque, hence boy A needs to apply greater force to balance that torque. Therefore, Boy A needs to hold tighter. Please Approve!!

Shivam Bhagat · Answer

torque = F*r A F=mv2/r T=mv2/r *r=mv2 B F=mv2/R T=mv2/R *R=mv2 (mv2/r is centrifugal force) So, A and B experience the same torque B experiences greater force as mv2/r=F So r of B is smaller than A so, force will be greater.........

Shivam Bhagat · Answer

pls cancel all the ans above , the correct ans is- Boy A because it has to face the centrifugal force mv2/R = m(wr)2/r=mw2r. w is equel here so the one with greater radius will face more force , hencce boy A has to hold more tightly. THIS IS CORRECT!!!!! Sorry for wrong ans above.

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TWO BOYS ARE RIDING ON A MERRY GO ROUND WHICH ARE TURNING AT A CONSTANT RATE.BOY 'A' IS AT OUTER RIM.AND BOY 'B' IS CLOSER TO CENTER OF ROTATION.WHO HAS TO HOLD ON TIGHTER?PLZZZ EXPLAIN WITH REASON.(ASSUME THEIR MASSES TO BE SAME).............??????????????

TWO BOYS ARE RIDING ON A MERRY GO ROUND WHICH ARE TURNING AT A CONSTANT RATE.BOY 'A' IS AT OUTER RIM.AND

BOY 'B' IS CLOSER TO CENTER OF ROTATION.WHO HAS TO HOLD ON TIGHTER?PLZZZ EXPLAIN WITH REASON.(ASSUME THEIR

MASSES TO BE SAME).............??????????????

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