Question : A particle moves in a circular orbit under the action of a central attractive force inversely proportional to the distance ′𝑟′. The speed of the particle is
(A) Proportional to 𝑟 2
(B) Independent of 𝑟
(C) Proportional to 𝑟
(D) Proportional to 1/𝑟
Answer : option (B)
Solution :
