In Isaac Newtons time, the terms acceleration and second derivative did not exist, so he could not have deduced F=ma, the second law of motion. This has been unscientifically credited to Newton, says a research paper. The paper Isaac Newton, Leonhard Euler and F=ma was written by Ajay Sharma, assistant director for education with the Himachal Pradesh government. Newton gave a velocity dependent force and Euler an acceleration dependent force. If the magnitudes of equations of force F=ma and F=2ma are equal, then it implies 1=2, which is not true, said the paper published this month in international journal Physics Essays. Newton did not discover F=ma in any edition of the Principia. In Newtons time, acceleration and second derivatives were not given. So it was impossible for Newton to write F=ma, Sharma told IANS. According to him, F=ma was given by Euler in 1775. Due to unknown reasons, it was attributed to Newton. Sharma, whose research on Newtons law of motion got accolades from Washington-based Euler Society in July, said that after Eulers death in 1783, his law became Newtons second law of motion, which is not scientific. There were no second derivative and acceleration at the time of Newton. So he could have not discovered the mathematical form of the second law of motion, Robert E. Bradley, president of the Euler Society, said in a letter to 50-year-old Sharma.
Posted on: Sun, 21 Sep 2014 15:54:37 +0000
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