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S8P5.a
Recognize that every object exerts gravitational force on every other object
| Term | Definition |
|---|---|
| law of universal gravitation | states that the force of gravity acts btw all objects in the universe |
| mass | a measure of amount of matter in an object |
| newton's 1st law of motion | states an object in motion will stay in motion and an object at rest will stay at rest |