(a) Explanation Given information: The natural length is F ( x ) = k 5 + x 2 N . The stretched length of the spring is 2 m . The stretching force is 3 N. Calculation: Find the spring constant as shown below: F ( x ) = k x 5 + x 2 (1) Substitute 2 for x and 3 N for F ( x ) in Equation (1) (b) To determine Find the work done required to stretch the spring 1 m from its natural length.

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Author: Hass

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Chapter 6, Problem 38PE

(a)

To determine

Find the spring constant.

(b)

To determine

Find the work done required to stretch the spring 1 m from its natural length.

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Chapter 6, Problem 37PE

Chapter 6, Problem 39PE

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