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Newton's First Law of Motion is Wrong (Proven Wrong in This Thread) 
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#1
Mar1714, 10:06 AM

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Please note this is a very serious thread.
Please note Newton's First Law: First law: When viewed in an inertial reference frame, an object either remains at rest or moves at a constant velocity, unless acted upon by an external force. Here is an experiment to prove this First Law wrong. Consider two balls rolling at a constant velocity directly toward each other on a frictionless plane. Ball A is heading due east at 5 m/s and Ball B is heading due west at 5 m/s. The balls engage in an inelastic collision. The balls will both come to rest. This can be proven experimentally. Please note that Newton's Second Law describes Force = Mass * Acceleration. Neither ball has an acceleration, meaning that neither ball has any force associated with it. So despite not being acted upon by any FORCE, during the collision, the balls change velocity from 5 meters/second to zero. This simple experiment clearly shows that an object will not necessarily stay in motion at a constant velocity despite not being acted upon by an external force. 


#2
Mar1714, 10:10 AM

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#3
Mar1714, 10:17 AM

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Second law: The vector sum of the forces F on an object is equal to the mass m of that object multiplied by the acceleration a of the object; thus, F = ma. Please note that the acceleration of both balls are equal to 0. Please note that mass*0=0. Consequently, neither ball produces a force (or rather, produces a force equal to 0). 


#4
Mar1714, 10:20 AM

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Newton's First Law of Motion is Wrong (Proven Wrong in This Thread)



#5
Mar1714, 10:23 AM

Sci Advisor
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Nonzero ##a##, nonzero ##m##, gotta be a nonzero ##F##. 


#6
Mar1714, 11:00 AM

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You completely failed to recognize the obvious forces acting on the objects, and therefore completely failed to correctly apply the theory. Furthermore, you arrogantly assumed that you were the only person in the last 300 years smart enough to have correctly analyzed an inelastic collision using the theory. 


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