| A | B |
|---|
| work | force is used to move an object |
| simple machine | few or no moving parts-teeth, rake |
| lever | bar that pivots (turns) on a fixed point-door handle-shovel,nutcracker |
| fulcrum | fixed point on a lever - arm holding broom |
| wheel and axle | car wheel and axle that move together -bike,door knob |
| pulley | wheel with rope -pull one end and other moves in opposite direction-flag pole |
| measuring work | force used and distance object moved |
| inclined plane | ramp |
| wedge | 2 inclined planes back to back-force things apart/split in 2 |
| screw | threads-turns to lift object or hold 2 or more objects together |
