Commonly Used Words. Arranged alphabetically, these sections include spelling, usage, punctuation and capitalization notes for specific words and phrases commonly used in the CSU. An entry without an explanation is simply to indicate the correct spelling of a word or words. A B-C D-F G-M N-S T-Z.
Noun. 1. Newton's first law of motion-a body remains at rest or in motion with a constant velocity unless acted upon by an external force. first law of motion, Newton's first law. law of motion, Newton's law, Newton's law of motion-one of three basic laws of classical mechanics.
Newtonâs Law of Universal Gravitation Newtonâs Law of Universal Gravitation is a fundamental physical law. We experience its effects everywhere on this planet, and it is the prime mover in the vast world of astronomy. It can also be expressed in a relatively simple mathematical formula on which SAT II Physics is almost certain to test you.