Problema Solution
The force required to compress a spring varies directly as the change in the length of the spring. If a force of 12 pounds is required to compress a certain spring 3 inches, how much force is required to compress the spring 5 inches?
Answer provided by our tutors
Let x represent the force required to compress the 5 in spring
12 : 3 = x : 5
........
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x = 20 lbs
A force of 20 pounds is required to compress the spring 5 inches.