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 ΔΔFxand , we analyze the first two pictures as follows:NN mm 40 mm)||||(Fkxk=−=−24011060which 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.