MATE 010 Study Guide - Final Guide: Parallelogram Law, Resultant Force

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If f1 and f2 represent two forces and represents the angle between them, their effects can be replaced by the effect of on force, which called the resultant of forces (r) and as follows: Case 1, the angle between f1 and f2 equal to zero, then: Case 2, the angle between f1 and f2 equal to 90o, then: = tan 1(f1) the angle between r and f. Case 3, the angle between f1 and f2 equal to 180o, then: Determine the magnitude of the resultant force (r)and the angles between the resultant and the two tension forces. R = p2 + q2 + 2pq cos = 9002 + 11002 + 2 900 1100 cos 60. 1734. 9 sin(180 ) sin sin sin(180 60) sin . = sin 1( sin(180 60) sin(180 60) sin . A steel pulley is used in luggage"s transfer (from ground level to other roofs).

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