A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 154
a1)x1. Some ofthese couples will be clockwise and others anticlockwise; toobtain the resultant moment take the algebraic sum of the setparallel to OX and also the algebraic sum of those parallel to OY,giving : Resultant moment of couples parallel to OX = S(P cos a)y. Resultant moment of couples… … Fig. 154.—A system of uniplanar forces. DYNAMICS CHAP. nake the resultant Rx of the forces in OX, also the resultant R,he forces in OY, giving : Rx = SP cos a.Ry = 2P sin a. ■(1)•(2) t f^ sin oC^M P3 5inoc3ji p2 sin. oc2 A P, 5171 CC, Couple = l(Pcos°c)y. Couple=Z(Psm <x)X. P, C0S0C2-4 =-£- P4…
Physics
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