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

    Jul 9, 2014, 02:15 PM
    Passive Forces and Newton's Laws
    How do you find the magnitude of the unknown force when, a 1.0N weight is hanging at rest from a frictionless pulley and string with negligible weight?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Jul 9, 2014, 03:20 PM
    You need to have sum of forces = 0 in order for the weight to be motionless. So there must be a force somewhere that will counter-balance the 1 N weight.
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