If 1 lb of force extends a spring 3 inches beyond rest length, how much work would be done...

Question:

If 1 lb of force extends a spring 3 inches beyond rest length, how much work would be done extending it 6 inches beyond rest length?

Spring constant

According Hooke's law , the force is proportional to the distance x travelled by the spring.

F = k x

Here, the proportionality constant k is known as the spring constant.

Answer and Explanation:

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Given :

Force = 1 lb to extend spring 3 inches ( {eq}\frac{3}{12}=\frac{1}{4} {/eq} ) ft

{eq}\\F=kx \\1=k\frac{1}{4} \\k=4\...

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Hooke's Law & the Spring Constant: Definition & Equation

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Chapter 4 / Lesson 19
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After watching this video, you will be able to explain what Hooke's Law is and use the equation for Hooke's Law to solve problems. A short quiz will follow.


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