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2-35 sol - ="r Fj F2"os(o r 1 cos(e p F2sin(a...

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Problem 2-35 Threeforces act on the bracket. Determine the magnitude and direction dof F, so that the resultant force is directed along the positive _r'axis and hasa magnitude of Fo. Units Used: t N : t o 3 N Given: F n = l k N F z = 4 5 0 N F ; = Z O O N a = 4 5 d e g f = 3 0 d e g Solution: + Fn :SF; r'acos(B) = .t Fer- SF; -rasin(p)
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Unformatted text preview: = \"r' Fj + F2"os(o) + r 1 cos(e + p) F2sin(a) - rlsrn(e+ p) ,r'7 cos( 0 + fl : Fpcos(/)) - Fj * n2 cos(a) Fl sin(o + p) = 12sin(a) + rpsin(p) ( F2 sin(a) + rasin(p) ) A = a l & n i - i _ n \rpcos(/,l _ Fj_r2cos(a)) r 0 = 3 7 d e g Fr = ,,|(rpcos(p) - Fj - 12"os(a))'+ (r'.2stn(a) + rprin(p))2 FY = '889 N...
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