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April 9, 2014 11:45 pm at 11:45 pm
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What is the mass of you car? That is a major factor. According to netons 3rd law, every thing has opposite and equal force. The reason why you don’t fall through the floor is because of this opposite and equal force or better known as the NORMAL FORCE. To fid your normal force, you multiply your mass*gravity (mg). So that is what you are missing the mass of the car.