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A spring has a force constant of 70,000 N/m. How far must it be stretched for its potential...

Question:

A spring has a force constant of 70,000 N/m. How far must it be stretched for its potential energy to be 21 J?

Spring Constant:

The amount of spring constant can be estimated by evaluating the spring force and the spring displacement. It varies linearly to the value of the spring force and is measured in Newton meter inverse.

Answer and Explanation:

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Given Data

  • Force constant of spring is {eq}k = 70,000\;{\rm{N/m}}{/eq}.
  • Potential energy gained is {eq}PE = 21\;{\rm{J}}{/eq}.


The expression for...

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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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