Physics Practice Problems Work By Variable Forces (Springs) Practice Problems Solution: A spring has an unstretched length of 10 cm. It ex...

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Solution: A spring has an unstretched length of 10 cm. It exerts a restoring force F when stretched to a length of 11 cm.(a) For what length of the spring is its restoring force 3F?(b) At what compressed length is the restoring force 2F?

Problem

A spring has an unstretched length of 10 cm. It exerts a restoring force F when stretched to a length of 11 cm.
(a) For what length of the spring is its restoring force 3F?
(b) At what compressed length is the restoring force 2F?