| Arthur Turnbull - Life - 1919 - 360 pages
...change, but it cannot change of itself ; or, as stated in the first law of 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." The outside force is... | |
| Frederick Edmund Sears - Physics - 1927 - 588 pages
...which should be learned. SIR ISAAC NEWTON (1642-1727) NEWTON'S THREE LAWS OF MOTION 1. " 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." 2. " The alteration... | |
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