Suppose that 2 J of work is needed to stretch a spring from its natural length of 30 cm to a...

Question:

Suppose that 2 J of work is needed to stretch a spring from its natural length of 30 cm to a length of 42 cm. How much work (in J) is needed to stretch it from 35 cm to 40 cm?

Work of a spring:

The work of spring is equal to the energy required to deform the spring by either stretching or compressing. The amount of energy needed to deform the spring will be also the equal amount of energy that the spring will apply when it goes back to its initial form.

Answer and Explanation:

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Given:

  • {eq}W = 2 \text{ J} {/eq}
  • {eq}L_0 = 30 \text{ cm} {/eq}
  • {eq}L = 42 \text{ cm} {/eq}

Knowing the work of a given spring from it's initial...

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Practice Applying Spring Constant Formulas

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Chapter 17 / Lesson 11
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In this lesson, you'll have the chance to practice using the spring constant formula. The lesson includes four problems of medium difficulty involving a variety of real-life applications.


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