Answer to Question #277868 in Physics for Var

Question

A mass of 0.30 kg attached to a vertical spring, stretches the spring by 10 cm. Find

(a) the spring constant k.

(b) Work done by gravity and the spring force.

(c) the maximum restoring force.

(d) What is the change in gravitational potential energy?

Answer 1

(a) $k=mg/x=29.4\text{ N/m}.$

(b) $W=mgx=0.294\text{ J}.$

(c) $F=kx=0.294\text{ N}.$

(d) $\Delta E=mgx=0.294\text{ J}.$