College Physics 10th Edition by Raymond Serway,Chris Vuille

Exercise 43

A spring of force constant k is compressed by a distance x from its equilibrium length. (a) Does the mass of the spring change when the spring is compressed Explain. (b) Find an expression for the change in mass of the spring in terms of k , x , and c. (c) What is the change in mass if the force constant is 2.0 × 10 2 N/m and x = 15 cm