The Concept of Force


MR. JOSHUA C. GREGORY'S letter under this title1 seems to me misleading. A "notion of force" without a "notion of matter" appears to me a contradiction. Without matter there can be no motion and therefore no acceleration; and without acceleration there can be no force since force denotes a mass-acceleration product.

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CASE, J. The Concept of Force. Nature 154, 273 (1944) doi:10.1038/154273b0

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