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

Last updated: 6/7/2023

A block of mass M is hanged by a light spring of force constant k to the top bar of a reverse U frame of mass M on the floor The block is pulled down from its equilibrium position by a distance and then released The minimum value of a such that the reverse U frame will leave the floor momentarily is M M g k oooooooo M M Correct Answer