Physics - Newton's Law of Gravitation

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6 Terms

1
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Force of gravity is proportional to
1/r²
2
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density\=
mass/volume
3
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Gravitational field
a region of space where a mass experiences a force
4
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Field strength
force per unit mass on a small test mass, placed at that point in the field
5
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Inside the mass
the mass outside of the smaller mass' radius doesn't count towards gravity, it 'cancels out' (must have uniform density)
6
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field strength and radius graph
linear increase from 0 to R (radius of larger mass), then decreases as a curve