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    Amir2020's Avatar
    Amir2020 Posts: 2, Reputation: 1
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    #1

    Nov 17, 2013, 04:00 PM
    Physics
    A stationary elevator and its contents have a combined mass of 2000kg. The elevator is suspended by a single cable. If the elevator is decending at 4.0m/s squared, what are the values of all the forces acting at this point?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Nov 17, 2013, 05:15 PM
    You posted this twice. Someone, if they want.to, will get to you. Remember, we don't do YOUR homework.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #3

    Nov 18, 2013, 09:18 AM
    Remember that . Here the forces acting in the elevator are the tension in the cable (which is positive value because it operates in the positive y direction) and the force of gravity in the negative y direction. You have a value for (be careful to use the correct sign), now solve for .
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