SOLUTION: The distance (d) a spring will stretch varies directly as the force (F) applied to the spring. If a force of 12 lb is required to stretch a spring 3 in., what force is required to

Question 1173898: The distance (d) a spring will stretch varies directly as the force (F) applied to the spring. If a force of 12 lb is required to stretch a spring 3 in., what force is required to stretch the spring a = 8 in.?
Answer by mila nedic(19) (Show Source): You can put this solution on YOUR website!
We can use ratios for this question.

We know that 12 lb of force give 3 inches of stretching so we can input that into the ratio.

Now we can input the other piece of information we know on the other side of the equation.

Now we just solve the equation.
x=
=32
Therefore 32 lb of force is required to stretch the spring 8 inches.
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