Question

2. You have a spring with a relaxed length of 15 cm. (Draw a picture for each situation, and a free body diagram for the object.)

A. If you hang a 0.5 kg weight from the spring it is now 16.2 cm long. What is the spring constant k?

B. If you now set the spring on the ground in a vertical position and set a 1.7 kg weight on it, what is the length of the spring?

C. If you are now holding the spring in a horizontal orientation, how much would you need to compress it to have a restoring force of 18 N from the spring?

D. How much would you need to stretch the spring to get the same 18 N restoring force?

Answer 1