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Science Harbison
studying for gravity e.t.c.
Question | Answer |
---|---|
force | push or pull |
isaac newton | a person who discovered gravity |
gravity | attracts all objects toward eachother |
law of universal gravitation | states that every object in the universe attracts every other object |
newtons | measures the amount of gravity between objects |
mass | the amount of matter in an object |
weight | the force of gravity ON and object |
how much would we weigh on the moon (fraction wise) | 1/6 of our weight on earth |
inertia | the tendancy of and object to resist a change in motion |
newtons first law of motion | says that an object at rest will stay at rest and an object in motion will stay in motion with a constant speed and direction unless acted on by force |
what keeps the moon and the earth in orbit | gravity and inertia |