Kinematics Question 795

Question: Two bodies of equal masses revolve in circular orb it’s of radii R1 and R2 with the same period. Their centripetal forces are in the ratio[Kerala PMT 2004]

Options:

A) (R2R1)2

B)R1R2

C) (R1R2)2

D) R1R2

Show Answer

Answer:

Correct Answer: B

Solution:

F=m(4π2T2)R . If masses and time periods are same then F∝R F1/F2=R1/R2

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