A Force of 20 Pounds Stretches a Spring 11 Inches

question 14

Multiple Choice

A force of 20 pounds stretches a spring 11 inches in an exercise machine. Find the work done in stretching the spring 2 feet from its natural position.

• A) ft-lb
• B) ft-lb
• C) ft-lb
• D) ft-lb
• E) ft-lb

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