| E. Cobham Brewer 1810–1897. Dictionary of Phrase and Fable. 1898. |
| | | Motion. | | |
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The laws of motion, according to Galileo and Newton. | 1 |
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(1) If no force acts on a body in motion, it will continue to move uniformly in a straight line. | 2 |
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(2) If force acts on a body, it will produce a change of motion proportionate to the force, and in the same direction (as that in which the force acts). | 3 |
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(3) When one body exerts force on another, that other body reacts on it with equal force. | 4 |
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