A 20
cm long spring is attached to a wall. When pulled
horizontally with a force of 100 N, the spring stretches to a length
of 22 cm. What is the value of the spring constant?
The same spring is now used in a tug
of war. Two people pull on
the ends, each with a force of 100 N. How long is the spring while
it is being pulled?
The same spring is now suspended from a hook and a 10.2 kg
block is attached to the bottom end. How long is the stretched
spring?