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Quotation from Principia by Isaac Newton
“Every body perseveres in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed thereon”
Principia, Law I, trans. Andrew Motte (1729)
Newton states inertia as the first law of motion.
Citation: "Every body perseveres in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed thereon" — Isaac Newton, Principia, Law I, trans. Andrew Motte (1729). (id principia-q1)
Portrait: Newton's Principia title page, The original uploader was Zhaladshar at English Wikisource., Public domain.
