agachak Posted February 16, 2013 Share Posted February 16, 2013 first think what happens if something deaccelerate and accelerates same time! then other way accelerates and deaccelerates same time think first that before adding to it anything physical just theory Link to comment Share on other sites More sharing options...
swansont Posted February 16, 2013 Share Posted February 16, 2013 This is not really a puzzle, it's physics 101. Acceleration is a vector and obeys superposition. Two forces will tend to cancel if they are in opposite directions. Link to comment Share on other sites More sharing options...
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