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11 Cards in this Set
- Front
- Back
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attractive force between any two objects due to their masses
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gravitational force
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gravitational force exerted on an object by a celestial body
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weight
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mass measurement based on comparing the known weight of one object to the unknown weight of another object
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gravitational mass
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force that acts even if the objects involved are not touching
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action-at-a-distance force
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three-dimensional region of influence
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field
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region of influence surrounding any object that has mass
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gravitational field
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gravitational force per unit mass at a specific location
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gravitational field strength
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device used to measure very small forces
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torsion balance
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gravitational force acting on an object that has mass
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true weight
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negative of the normal force acting on an object
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apparent weight
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situation in which the only force acting on an object that has mass is the gravitational force
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free fall
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