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An annular ring with inner and outer radii R1 and R2 is rolling without slipping with a uniform angular speed.

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asked Mar 21, 2018 in Physics by paayal (26,720 points) ● 4 ● 6 ● 11

An annular ring with inner and outer radii R1 and R2 is rolling without slipping with a uniform angular speed. The ratio of the forces experienced by the two particles situated on the inner and outer parts of the ring, F1 /F2 is

(a) 1

(b) R1/R2  

(c) R2/R1

(d) (R1/R2)2

1 Answer

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answered Mar 21, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 24, 2018 by Vikash Kumar
 
Best answer

(b) : Centripetal force on particle = mRω2 

Therefore, F1/F2 = (mR1ω2)/(mR2ω2)= R1/R2.

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