A vertical spring with force constant $k$ is fixed on a table. A ball of mass $m$ at a height $h$ ab

Question

A vertical spring with force constant $k$ is fixed on a table. A ball of mass $m$ at a height $h$ above the free upper end of the spring falls vertically on the spring so that the spring is compressed by a distance $d$. The net work done in the process is\

Professor PC Thomas Classes · Answer

(a): Net work done $=W_{m g}+W_{	ext {spring }}$\ $=m g(h+d)-\frac{1}{2} k d^{2}$\