Answer: Hookes Law In Exercises 916, use Hookes Law to determine the variable force in
Chapter 7, Problem 13(choose chapter or problem)
Hooke’s Law In Exercises 9–16, use Hooke’s Law to determine the variable force in the spring problem.
A force of 20 pounds stretches a spring 9 inches in an exercise machine. Find the work done in stretching the spring 1 foot from its natural position.
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