When a certain spring is expanded 7 centimeters from its natural position and held fixed, the...

Question:

When a certain spring is expanded 7 centimeters from its natural position and held fixed, the force necessary to hold it is 1400 dynes. Find the work W required to stretch the spring an additional 7 centimeters.

Spring Constant

Spring constant or stiffness of the spring is the material property that determines the magnitude of the force required to deform the spring by one unit. It is represented by letter k and its units are N/m in SI unit system.

Answer and Explanation:

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Let k is the stiffness of the spring

As per the statement,1400 dynes of force is needed to stretch a spring by 7 cm

The change in length of the...

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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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