Chetan Mandayam Nayakar
Last Activity: 14 Years ago
case1; at the instant of release tension in spring is 2mg upward and mg acts downward,a=(2mg-mg)/m =g upward
case2; spring force, mg acts upward on 2m and 2mg acts downward, therefore, a=(2mg-mg)/2m=g/2 downward
a/b =2