30. Four ropes, all at right angles to each other, pull on a ring. The forces are A = 40 lb, E; B = 80 lb, N; C = 70 lb, W; and D = 20 lb, S. Find the resultant force on the ring
30. Four ropes, all at right angles to each other, pull on a ring. The forces are A = 40 lb, E; B = 80 lb, N; C = 70 lb, W; and D = 20 lb, S. Find the resultant force on the ring
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