Construction A precast concrete wall is temporarily kept in its vertical position by ropes (see figure)....

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18 ft 6 ft 8 ft 10 ft Figure for 104 104. Construction A precast concrete wall is temporarily kept in its vertical position by ropes (see figure). Find the total force exerted on the pin at position A. The tensions in AB and AC are 420 pounds and 650 pounds.

science physics

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Answer 1

Answer #1

Let A lie on the y-axis and the wall on the x-axis. Then A = (0, 10, 0), B = (8, 0, 6), C = (-10, 0, 6) and AB = (8,-10, 6),

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Answer 2

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Construction A precast concrete wall is temporarily kept in its vertical position by ropes (see figure)....

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Construction A precast concrete wall is temporarily kept in its vertical position by ropes (see figure)....