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    General Motion

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    Please see attachments for question.
    Please use i, j and k vector coordinates in solving if possible.

    © BrainMass Inc. brainmass.com March 4, 2021, 5:52 pm ad1c9bdddf
    https://brainmass.com/physics/alpha/general-motion-physics-15850

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    a)
    See attachment:

    DC = sqrt(L^2 + r^2)
    Angle ADC = phi
    sin(phi) = AC/DC = r/sqrt(L^2 + r^2)
    cos(phi) = AD/DC = L/sqrt(L^2 + r^2)
    Angle CDB = theta - phi
    Radius of axle BC = (R = BC) = CD*sin(theta-phi)
    => R = sqrt(L^2 + r^2)*[sin(theta)cos(phi) - cos(theta).sin(phi)]
    => R = sqrt(L^2 + r^2)*[L*sin(theta) - r*cos(theta)]/sqrt(L^2 + r^2)
    => R = ...

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