A block of mass M is hanged by a ligh spring of force

Last updated: 6/24/2023

A block of mass M is hanged by a ligh spring of force constant k to the top bar o a reverse U frame of mass M on the floor The block is pulled down from it equilibrium position by a distance x and then released The minimum value of such that the reverse U frame will leave the floor momentarily is 000000 k M 1 x M M g k 2 x 2M M g k 3 x M 2M g k 4 x M g k M