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A 480-N force P is applied at point A of the bell crank shown.
If a1= 20°, a2= 35°, a= 210mm and b= 70mm,
Compute the moment of the force P about O in N.m unit
P
0Tーーューー-
a
48°
b.
Yanıt:
Determine the magnitude of the smallest force Q (in N unit) applied at B that has the same moment
as P about O.

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