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If FA = 1.4 kN i - 4.5 kN j and FB = - 2.3 kN...

If FA = 1.4 kN i - 4.5 kN j and FB = - 2.3 kN i - 2.3 kN j, what is the magnitude of F = 9FA + 10FB ?

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12.6 4D.SJ·231

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