pulley - a wheel with a grooved rim in which a rope can run screw - a spiral inclined plane simple machine - a single tool to help us do work wedge - a movable inclined plane that has to move through an object to get work done wheel and axle - two different sized wheels put together and turning on the same axis.
(a rope; can run; L:a grooved rim) (a movable inclined plane; to move; through an object; to get work done wheel and axle - two different sized wheels put together and turning on the same axis) (a single tool; to help; us do work wedge - a movable inclined plane) Context(a single tool to help,List([109, 130))):(us; do; work wedge) (axle - two different sized wheels; put; together)
a single tool to help,List([109, 130))
a rope a movable inclined plane a single tool us axle - two different sized wheels
can run to move to help do put
L:a grooved rim
through an object to get work done wheel and axle - two different sized wheels put together and turning on the same axis
us do work wedge - a movable inclined plane
work wedge
together