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March 30, 2017

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4. What force is needed to push a 15 N object up a 20° incline at constant speed when the coefficient of friction is 0.30

  • physics - ,

    I will be happy to critique your work.

    The applied force (in the direction up the incline) must equal the sum of the friction force, which is
    0.3*15N*cos 20
    PLUS the component of the weight DOWN the incline, which is 15N sin 20

  • physics - ,

    ok so its 15.53 n

  • physics - ,

    5.13 + 4.23 does not equal 15.53 N

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