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Newton's Laws of Motion

Nature volume 36, page 366 | Download Citation

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Abstract

THERE is a point in connection with Newton's laws of motion which tha text-books on dynamics, which found the science upon those laws, seem to me to leave very inconveniently and unnecessarily mysterious. The point to which I allude is the meaning of the words “rest or uniform motion in a straight line” in the first law. The difficult words are “uniform” and “straight,” which of course are each of them meaningless until it is explained what the motion is with reference to; but this explanation is not given explicitly in any of the books on dynamics which I am acquainted with; and a comparison of their various statements leaves me in some doubt as to what is intended to be implied. May 1 therefore appeal to those of your readers who accept Newton's laws to say whether the following is correct?

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  1. August 9.

    • W.

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https://doi.org/10.1038/036366a0

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