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Posted by on Thursday, September 3, 2009 at 8:18pm.

A 20.0 kg box rests on a table. what is the weight of the box and the normal force acting on it? A 10.0 kg box is set on top of the 20.0kg box. Determine the normal force that the table exerts on the 20.0kg box and the normal force that the 20.0kg box exerts on the 10.0kg box.

  • Physics - , Thursday, September 3, 2009 at 9:07pm

    a. 20kg or 20*9.8 N is the weight, and the normal force.
    b. The 10kg box exerts a normal force of 10*g on the lower box. THe lower box exerts this same force upward on the upper box.

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