Explain the density - balanced forces, Physics

Explain the Density

Density is a measure of how densely packed matter is.  One standard brick weighs more than the same size piece of Styrofoam but less than the same size brick of lead.

1197_Density.png

Example - How many kilograms of air are in your room? Assume your room is 10 m x10 m x 3.0 m. The density of air at sea level is about 1.2 kg/m3.

2233_Density 1.png

 

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