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Posted by on Thursday, January 5, 2012 at 11:10pm.

A 8.8 kg box is placed on top of a 15.65 kg box (the 15.65 kg box is sitting on a table). Determine the normal force that the table exerts on the 15.65 kg box.

  • Physics - , Friday, January 6, 2012 at 4:32am

    In all of your questions m g is the answer.

    The total mass sitting on the table is 8.8 + 15.65 or 24.45 kg. The force up from the table is equal and opposite to the weight of the boxes.

    g = 9.81 m/s^2
    F = m g = 24.45 * 9.81 = 240 Newtons

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