Jam physics by Deleted user - Wednesday, 21 February 2018, 12:18 PM Number of replies: 0 In Central forces , example-9(pg:4.35) : Potential energy function is given V(r)=-exp(-3r/2)/5r^2 ,since it depends only on r ,how can then central force potential energy is proportional to mass,it should only depend on r? Permalink Reply