SteelNeptune SteelNeptune
  • 14-08-2017
  • Mathematics
contestada

F1 + F2 = FT and F1d1 = F2d2

Solve for F1 in terms of FT d1 and d2

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HomertheGenius
HomertheGenius HomertheGenius
  • 21-08-2017
We know that: F 1 = FT - F 2Also:F1 * d 1 = F 2 * d 2F 2 = F 1 * d 1 / d 2We can put it in the 1st equation
F 1 = FT - F 1 * d1 / d2F 1 + F 1 * d1 / d2 = F TF 1 * ( 1 + d1 / d2 ) = FTF 1 * ( d1 + d2 ) / d2  = FTF 1 = FT : ( d1 + d2 ) / d2Answer:F 1 = FT * d2 / ( d1 + d2 ) 

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