Question: Two particles of equal masses are revolving in circular paths of radii 𝑟1 and 𝑟2 respectively with the same speed. The ratio of their centripetal forces is
(A) \dfrac{r_{2}}{r_{1}}
(B) \sqrt{\dfrac{r_{2}}{r_{1}}}
(C) \left( \dfrac{r_{1}}{r_{2}}\right) ^{2}
(D) \left( \dfrac{r_{2}}{r_{1}}\right) ^{2}
Answer: option (A)
Solution:
