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A 75 kg box slides down a 25o ramp with an acceleration of 3.6 m/s2. Find the coefficient of kinetic friction between the box and the ramp.

  • physics -

    The component of gravity down the plane is mg*SinTheta
    The normal component of mg*CosTheta

    So
    Net force=ma
    gravitydownramp-friction=ma
    mgSinTheta-mg*mu*CosTheta=ma
    solve for mu.

  • physics -

    0.06

  • physics -

    0.061

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