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Physics

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Find analytically the resultant of the forces shown below:

Where: F1 = 20 kg (4,4)
F2 = 15 kg (-5,5)
F3 = 5 kg (-2,-2)
F4 = 10 kg (3,-3)

  • Physics -

    Fr = F1 + F2 + F3 + F4.
    Fr = 20[45o] + 15[135o] + 5[[225o] + 10[315o]
    Fr = 14.14+14.14i + 10.61-10.61i -3.54-3.54i
    +7.07-7.07i,
    Fr = 28.28 - 7.08i = 29.16kg[-14.1o] = 29.16kg[14.1o] S. of E.

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