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March 28, 2017

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Three forces of 5 N, 8 N, and 10 N act from the corner of a cube along its edges. Using Cartesian vectors, find the magnitude of the resultant force.

  • Calculus - ,

    magnitude^2
    = hypotenuse^2
    = 5^2 + 8^2 + 10^2
    = 189
    magnitude =√189 = appr 13.75

    or

    resultant = 5(1,0,0) + 8(0,1,0) + 10(0,0,1)
    = (5,8,10)
    maginitude of resultant = √(25+64+100) = √189 as above

  • Calculus - ,

    thank you :)

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