An elementary treatise on mechanics, embracing the theory of statics and dynamics, and its applications to solids and fluids (1849)
Smith, Augustus William, 1802-1866 · New York, Harper · leaf 40
P.AC-P^CB. 37. Def. When AB is perpendicular to the direction of theforces, AC and BC are called the arms of the forces, and theproducts P.AC and Pa.CB are the moments of the forces aboutthe point C. 38. Cor. If to the point C we apply a force R,, equal andopposite to R, the forces P, P1? and Rl… … PARALLEL FORCES. 17 direction of the forces, calling the parts intercepted by P andPj respectively p and px ; from the similar triangles, thusformed, we should have BCiCA^p, :p. Hence the moments of P and P,, which measure the tendencyto rotation in opposite directions, being equal, there can be…
Mechanics, Analytic
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