Science ch 1 Word Scramble
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Term | Definition |
What determines gravity? | the strength of the force of gravity between two objects depends on two factors: the masses objects and the distance between them |
Force | push or pull |
Gravity | attracts all objects toward each other |
Law of Universal Gravitation | states that every object in the universe attracts every other object |
Mass | amount of matter in an object |
Weight | measure of the force of gravity on an object |
Force of gravity decreases | as the distance increases |
What keeps objects in orbit? | newton concluded that inertia and gravity combine to keep earth in orbit around the sun and moon in orbit around earth |
Inertia | the tendency of and object to resist change in motion more mass = greater inertia |
Newton's 1st law of motion | says that objects at rest will stay at rest and objects in motion will stay in motion with a constant speed and direction unless acted upon by a force |
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