Nystrom, John W. (John William), 1824-1885 · Philadelphia, J.B. Lippincott · leaf 228
r+2/i 0-8+2X4 Example 3. Fig. 264. An irregular figure weighing P = 138 pounds, is sus-pended between a fulcrum and a weight, I = 5*6 feet, W= 57 pounds. Re-quired the distance to the centre of gravity z = ? 138 Centre of Gravity. 207 … Quadrangle.—a and b parallel.z~2 S^TuT)
Mechanical engineering · Engineering
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