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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 between all objects in the universe |
mass | the measure of the amount of matter in an object |
Newtons first law of motion | states that an object at rest will stay at rest and an object in motion will stay in motion unless an unbalanced force acts on the object |