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physics
noun
-
physics
the
branch
of
science
that
studies
matter
,
energy
,
and
the
forces
that
act
between
them
•
At
school
,
Mia
enjoys
doing
experiments
in
her
physics
class
.
At
school
,
Mia
enjoys
doing
experiments
in
her
physics
class
.
•
Albert
Einstein
changed
physics
forever
with
his
theory
of
relativity
.
Albert
Einstein
changed
physics
forever
with
his
theory
of
relativity
.
from
Latin
physica
‘
natural
science
’,
from
Greek
physikē
(
epistēmē
) ‘(
knowledge
)
of
nature
’,
from
phusis
‘
nature
’
noun
-
physics
the
way
matter
,
energy
,
and
forces
work
in
a
particular
situation
or
system
•
The
physics
of
a
bouncing
ball
involves
gravity
,
elasticity
,
and
air
resistance
.
The
physics
of
a
bouncing
ball
involves
gravity
,
elasticity
,
and
air
resistance
.
•
Scientists
study
the
physics
of
black
holes
to
understand
their
immense
gravity
.
Scientists
study
the
physics
of
black
holes
to
understand
their
immense
gravity
.