...found to be invariably true. They form the basis of many of the important principles of mechanics. 129. First Law of Motion. — Every body continues in its state of rest or of uniform motion in a straight line, unless compelled by applied force to change that state. proportion...

...found to be invariably true. They form the basis of many of the important principles of mechanics. 129. First Law of Motion. — Every body continues in its state of rest or of uniform motion in a straight line, unless compelled by applied force to change that state. proportion...

...bottom; however, for all practical purposes the slight curvature referred to may be neglected. 13. Newton's First Law of Motion. — Every body continues in its state of rest, or uniform motion in a straight line, except in so far as it may be compelled by force to change that state. Newton states...

...Newton, although known before his time. They form the foundation of the whole subject of dynamics. 35. First Law of Motion. — Every body continues in its state of rest or uniform motion in a straight line except in so far as it may be compelled by external force to change that state....

...in motion in a straight line. They are illustrations of a law stated by Sir Isaac Newton, known as Newton's first law of motion : "Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it is compelled by force to change that...

...only the amount but also the direction of their motion (see gyrocompass opposite p. 223). FOECE AND MOTION Every body continues in its state of rest or uniform motion in a straight line unless impelled by external force to change that state. This property, which all...

...of the mechanics of the universe of everyday life as the Euclidean system does of its geometry. The First Law of Motion Every body continues in its state of rest or of uniform motion in a straight line, unless compelled by the application of a force to change that...

...law was discovered by Galileo and expressed by Newton by adding eight words to the law of Aristotle. Newton's First Law of Motion. Every body continues in its state of rest, or of uniform motion in a straight line, except in so far as it is compelled by impressed forces to...

...motion of bodies but the changes of their motions. Galileo's discovery is formularised by Newton in his first law of motion : — "Every body continues in its state of rest, or of uniform motion in a straight line, except so far as it may be compelled by force to change that...

...known facts of celestial mechanics. Recognizing the importance of Galileo's work, he stated as his first law of motion, " Every body continues in its state of rest or of moving in a straight line with constant velocity unless acted on by some external force." Acceleration...