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    salwa1_said's Avatar
    salwa1_said Posts: 8, Reputation: 1
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    #1

    Jul 12, 2010, 05:21 AM
    Forces and laws of motion
    If you push a car in which you are seated will the car move?Why?
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #2

    Jul 12, 2010, 05:29 AM
    Nope won't move because your sitting in it.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #3

    Jul 12, 2010, 07:37 AM
    Quote Originally Posted by Curlyben View Post
    Nope wont move cos your sitting in it.
    Right - sitting in the driver's seat if you push forward against the steering wheel then because of Newton's 2nd law there is an equal and opposite reaction against your body, which in turn causes a force backward against the car seat. From the car's point of view it feels a force in one direction against the steering wheel, and a second force equal and in the opposite direction against the seat back. The two forces cancel each other out, and the car doesn't move.
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