Is a
that
motion
between two objects
that
each other. as the wind blows, it touches
earth's
. as molecules in the air mass come into
contact with the
friction occurs. this friction
acts to
the speed of the wind. friction can also
be caused by
such as mountains. additionally,
buildings and houses can also slow down the wind because
of friction. friction explains why wind travels
across an open field than it does across a town with
on every street.