# Mass vs Weight

## Distinguish between mass and weight and calculate weight using g and the correct SI units

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
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## Force of Gravity (Weight) and Normal Force - Overview

by CK-12 //basic
Overview
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## Force of Gravity (Weight) and Normal Force - Example 2

by CK-12 //basic
Determining the weight or mass of an object using F[g] = mg
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## Force of Gravity (Weight) and Normal Force - Example 3

by CK-12 //basic
Determining the normal force for an object in static equilibrium
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## Force of Gravity (Weight) and Normal Force - Example 1

by CK-12 //basic
Distinguishing between mass and weight
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