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11 Jun 2020

Hooke's Law

In Exercises 9-14, use Hooke’s Law to determine the work done by the variable force in the spring problem.

A force of 5 pounds compresses a 15-inch spring a total of 3 inches. How much work is done in compressing the spring 7 inches?

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Joram Guingguing
Joram GuingguingLv10
24 Jul 2020

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Related questions

15. Use integrals to solve

a) A spring has a natural length of 10 inches. An 800lb force stretches the spring to 15 inches. How much work is done in stretching the spring form 10 inches to 12 inches?

b) A 20-foot chain, weighing 5 pounds per foot, is hanging from a winch 12 feet above the ground. How much work is done in winding up the chain until the bottom is 4 feet above the ground?


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