# Given that centripetal force𝐹 = −𝑘/𝑟2 . The total energy is

Question: Given that centripetal force𝐹 = −𝑘/𝑟2 . The total energy is

(A) $-k/r^{2}$

(B) $k/r$

(C) $-k/2r^{2}$

(D) $-k/2r$