Consider a spring that does not obey Hookes law very
Chapter 6, Problem 6.74(choose chapter or problem)
Consider a spring that does not obey Hookes law very faithfully. One end of the spring is fixed. To keep the spring stretched or compressed an amount x, a force along the x-axis with x-component must be applied to the free end. Here and Note that when the spring is stretched and when it is compressed. (a) How much work must be done to stretch this spring by 0.050 m from its unstretched length? (b) How much work must be done to compress this spring by 0.050 m from its unstretched length? (c) Is it easier to stretch or compress this spring? Explain why in terms of the dependence of on x. (Many real springs behave qualitatively in the same way.)
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