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Questions  

The ratio of the acceleration for a solid sphere (mass m and radius R) rolling down an incline of angle ‘θ’ without slipping and slipping down the incline without rolling is

a
5 : 7
b
2 : 3
c
2 : 5
d
7 : 5

detailed solution

Correct option is A

Acceleration of sphere when it is slipping down the incline, aslipping = g sin θAcceleration of sphere when it is rolling downarolling = g sinθ1+K2r2 = 57g sin θHence required ratio arollingaslipping = 57

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