| Word |
 |
|
| Definition |
|
|
| effort force |
force you put into a simple machine |
| wedge |
two inclined planes placed back-to-back |
| simple machines |
basic machines that make up other machines |
| work |
result of a force moving an object through a distance |
| inclined plane |
flat surface that has one end higher than the other |
| fulcrum |
fixed point of a lever |
| pulley |
rope or chain and the wheel it fits around |
| screw |
inclined plane wrapped around a pole |
| lever |
bar that turns around a fixed point |
| efficiency |
how well a machine changes effort into work |
| wheel and axle |
large wheel attached to a smaller wheel or rod |
Biology Lab Midterm
