ch07-p071 - 71. (a) Hookes law and the work done by a...

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71. (a) Hooke’s law and the work done by a spring is discussed in the chapter. Taking absolute values, and writing that law in terms of differences ΔΔ Fx and , we analyze the first two pictures as follows: N N mm 40 mm) || | | ( Fk x k = −= 240 110 60 which yields k = 6.5 N/mm. Designating the relaxed position (as read by that scale) as
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This note was uploaded on 03/19/2010 for the course PHYSICS 191262 taught by Professor Najafzadeh during the Spring '09 term at The Petroleum Institute.

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