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Physics
topic 3- particle model of matter
internal energy
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Aabharana Dahal
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Cards (3)
internal energy
potential
energy +
average kinetic
energy
Particles in a system vibrate or move around.
Therefore, they must have a
kinetic
energy store.
particles also have
potential
energy because of their
position
and the
bonds
between them.
Heating
of a system can increase the
temperature
or change the
state
of the substance. Causing
kinetic energy
to
increase
so
internal
energy