Normally
,
forces
act
when
two
objects
come
into
____________________
,
for
example
,
when
a
football
player
kicks
a
ball
.
However
,
____________________
force
acts
from
a
____________________
.
Every
magnet
has
rwo
____________________
.
When
the
same
poles
of
two
magnets
are
put
together
,
they
push
apart
;
they
____________________
each
other
.
When
the
different
poles
of
two
magnets
are
put
together
,
they
pull
towards
each
other
;
they
____________________
each
other
.
