3-84 The two sides of a V-shaped water trough are hinged to each other at the bottom where they meet, as shown in Fig. P3-84, making an angle of 45° with the ground from both sides. Each side is 0.75 m wide, and the two parts are held together by a cable and turnbuckle placed every 6 m along the length of the trough. Calculate the tension in each cable when the trough is filled to the rim. Answer: 5510 N Cable 0.75 m 45° 45° Hinge FIGURE P3-84

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