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Science Physics
Density & Pressure
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Created by
Nikita Tjandra
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Density is the
mass
of a given
volume
of a
substance
Density in
kg/m3
, Mass in
kg
, Volume in
m3
Density depends on the
state
of a
substance
In solids the particles are
packed close together
In liquids the particles are
close together
and move around each other
In gasses the particles are
far apart
and
move quickly in all directions
Solids are usually denser than
liquids
Liquids are usually denser than
gasses
Pressure is the
force per unit area
Pressure in
N/m2
, Force in
N
, Area in
m
Density =
Mass
/
Volume
Pressure =
Force
/
Area