What is the name of a circular object that rotates around a central axle?
a wheel
A wheel that has teeth around the outside is called a _______.
gear
What do we use to raise and lower objects more easily?
a ramp
Another name for a ramp is an _______ _______.
inclined plane
We need less force to move an object along a _______ incline.
gentle
We need more force to move an object along a _______ incline.
steep
What is the name of the object you move?
the load
A _______ consists of a long bar that moves up and down over a point.
lever
A _______ is the point that a long bar moves up and down over.
pivot
Do we use more or less force to move a load when we are further away from the pivot?
less force
A pulley consists of a _______ and a _______.
wheel; rope
The rope is placed on the _______ of the wheel.
groove
You use _______ to raise or lower the load.
force
