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    alyssankees's Avatar
    alyssankees Posts: 1, Reputation: 1
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    #1

    Nov 3, 2009, 02:18 PM
    Magnitude of force
    A stock clerk pushes a carton on a dolly. The carton and dolly have a combined mass of 35 kg. The clerk exerts a force on the carton in the direction shown. The carton and dolly undergo an acceleration of 0.40 m/s2.

    (a) Find the magnitude of the force exerted by the clerk.
    (b) Find the magnitude of the normal force that the floor exerts on the dolly.
    (c) Find the magnitude of the normal force that the dolly exerts on the floor.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Nov 5, 2009, 05:57 AM

    (a) Use
    (b) Use Newton's third law of motion
    (c) Use the first formula again.
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