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a 5.1 kg bucket water is raised from a well by a rope. the acceleration of gravity is 9.81 m/s^2. if the upward acceleration of the bucket is 4.5m/s^2, find the force exerted by the rope on the bucket of water.

  • physics -

    ur solving for Fn (net force).
    ur gona be usin this equation
    ~~ Fn= mg + ma ~~
    "m" is mass
    "a" is acceleration
    "g" is obviously gravity

    in ur problem the given are
    m = 5.1kg
    a = 4.5m/s^2
    g = 9.8m/s^2 or 9.8m/s^2 (depending on what your problem says)

    so now u plug it in the formula
    Fn = (5.1kg*9.8m/s^2)+(5.1kg*4.5m/s^2)

    and it should equal this Fn= 72.93N

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