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Physics 20 Online
OpenStudy (anonymous):

A horizontal force of 80 lbs acts on a 50 lbs object suspended by a string. What is the direction and magnitude of the force the string must provide to keep the object at rest?

OpenStudy (anonymous):

80 lbs of force in the opposite direction of the applied force. Ignore the mass of the object. The force of tension in the string cancels the force of gravity due to the mass of the object. |dw:1318905806746:dw|

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