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‘ (15% Mauimew) Two forces P and Q are applied as shown at point A of a hook
support. Knowing that 13:45 lb and Q — 15 1b, determir m Graphicalh thr-
magnitude aud direction of their remltant usimr (a) the pa: ailelogram km
(E) the triangle rule. VH3?“ "1'3' fw‘ c; 7253'; w“: .fh QM" ___/4;; steamy/s mg #, mécéws’zaaﬁ
ED; 8 ‘5 7 Two forces are applied as shown to a hook support. Using trigonom-
etry and knowing that the magnitude of P is 600 N , determine (a) the required
angle 0: if the resultanﬂ of the two forces applied to the support is to be ' m, (b) the corresponding magnitude of B. C5245? , _. .3Fr7E4S___... :ff'l Zero x /“”’*‘_10°‘*/ An elastic exercise band is grasped and then is stretched as shown.
Knowing that the tensions in portions BC and DE of the band are 80_N_ and
60 N, respectively, determine using trigonometry, (a) the required angle cu if
the resultant R of the two forces exerted on the hand ’at A is to be vertical
(b) the corresponding magnitude of R. ...
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- Spring '08