and then take account of its mass.) For most students at this level, it is sufficient to think of drag as a force which tries (or tends) to slow down anything which is moving.
(it; is; sufficient to think of drag as a force) (anything; is moving; ) (a force; tries; ) (a force; tends; to slow down anything)
it anything a force a force
is is moving tries tends
sufficient to think of drag as a force
to slow down anything