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, PROBLEMh2.1
Twoh forcesh areh appliedh ash shownh toh ah hook.h Determineh graphicallyh thehma
gnitudeh andh directionh ofh theirh resultanth usingh (a)h theh parallelogramh law,
(b)hthehtrianglehrule.
SOLUTION
(a) Parallelogramhlaw:
(b) Trianglehrule:
Wehmeasure: Rh =h1391hkN,h h h =h 47.8 Rh =h1391hN 47.8h ◀
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, PROBLEMh2.2
Twohforcesh areh appliedh ashshownhtoh ahbracketh support.h Determinehgra
phicallyh theh magnitudeh andh directionh ofh theirh resultanth using
(a)hthehparallelogramhlaw,h(b)hthehtrianglehrule.
SOLUTION
(a) Parallelogramhlaw:
(b) Trianglehrule:
Wehmeasure: Rh =h 906h lb, h =h 26.6 Rh=h906hlb 26.6h ◀
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