Problem 1.3-9 A pickup track tailgate supports a crate (We 900 N), as shown in the figure. The tailgate weighs W - 270 N

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Problem 1 3 9 A Pickup Track Tailgate Supports A Crate We 900 N As Shown In The Figure The Tailgate Weighs W 270 N 1 (38.62 KiB) Viewed 24 times

Problem 1.3-9 A pickup track tailgate supports a crate (We 900 N), as shown in the figure. The tailgate weighs W - 270 N and is supported by two cables (only one is shown in the figure). Each cable has an effective cross- sectional area A, - 11 mm². (a) Find the tensile force 7 and normal stress in each cable. (b) If each cable elongates 8- 0.42 mm due to the weight of both the crate and the tailgate, what is the average strain in the cable? Le I/F →TH= T= T = Ac b) € S Le H=300mm Truck BA We 900 N = 450 L=400mm T=√√√²+TH² ===√1²+1² Emec -Wxdr-W cxdc-Fxh + Tv XL Crate F450 N Wy=270 N ⇒> Tv =