Question: A pickup truck tailgate supports a crate (WC = 150 lb), as shown in the figure. The tailgate weighs WT = 60 lb and is

A pickup truck tailgate supports a crate (WC = 150 lb), as shown in the figure. The tailgate weighs WT = 60 lb and is supported by two cables (only one is shown in the figure). Each cable has an effective crosssectional area Ae = 0.017 in2.
(a) Find the tensile force T and normal stress Ïƒ in each cable.
(b) If each cable elongates Î´ = 0.01 in. due to the weight of both the crate and the tailgate, what is the average strain in the cable?

WC= 150 lb d,"-18in. H- 12 in. Crate Tail gate Truck dr = 14 in. Wr=60 lb L= 16 in.

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