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| Experimental quantities that we |
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| measure |
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| • | Mass (amt of matter in an object--location |
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| independent) in
kilograms(kg) (SI units) but |
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| grams (g) more
convenient |
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| • | Weight: force that gravity exerts on an object-- |
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| location
dependent |
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| • | weight = mass x
acceleration due to gravity, |
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| • | When gravity is
constant, mass and weight are |
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| directly
proportional. (Gravity depends on |
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| distance from
center of the earth) |
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