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physics

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you slide down a pole at a mass of 80kg with an acceleration of 4m/s^2, How do you show that the friction force that acts on you is 480N?

  • physics - ,

    Force = mass *acceleration
    Force down = 80*9.8 = 784 N
    force down - Ffriction = 80 (4)
    solve for Ffriction

  • physics - ,

    Weight - Friction force = M a

    Friction force = Ma - Mg
    = 5.8 m/s^2 * M

    They apparently want you to use 10 m/s^2 for g, although the correct value is 9.8 m/s^2.

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