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Question: three forces fa fb and fc act at point o...

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Three forces, FA FB. and Fc act at point O. Find the resultant force, FR. in Cartesian Vector notation, given: FA : 120 lbs, -60°, Ф 50° FB 50 lbs, y.zh 5,12,13 Fc 110 lbs, a 120, B 809 O FR- $9.68, 63.1, 114> lIbs O FR- $8.73, 56.9, 103> lbs O FR -6.84,-44.6,-80.7 lbs O FR $11.8, 76.9,139> lbs O FR $13, 84.6, 153> lbs

Three forces, FA, FB, and FC act at point O. Find the resultant force, FR, in Cartesian Vector notation, given:
  FA = 120 lbs,   θ = 60°,   Φ = 50°
  FB = 50 lbs,   y,z,h = 5,12,13
  FC = 110 lbs,   α = 120°,   β = 80°

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