For older students it is good to tie a rock to a rubber band and monitor stretch as the rock is lifted up vertically and parallel to inclined plane to infer the force being applied.
(the force; being applied; ) (the rock; is lifted; up; T:vertically) (the rock; parallel; to inclined plane; to infer the force)
the force the rock the rock
being applied is lifted parallel
up T:vertically
to inclined plane to infer the force