| A | B |
|---|
| bionics | science of creating artificial body replacement parts |
| compound machine | 2 or more simple machines that work together |
| efficiency | comparison of work input to work output |
| effort arm | end of the lever that force is put on |
| effort force | force applied to a machine |
| fulcrum | pivot point of a machine |
| ideal machine | machine with no friction to impair efficiency |
| inclined plane | sloping surface used to raise objects |
| lever | pivoting bar used to move objects |
| machine | device used to make work easier |
| mechanical advantage | the amount by which a machine multiplies force |
| power | the rate at which work is done |
| pulley | grooved wheel over which a rope passes causing the wheel to act like a lever |
| resistsnce arm | part of a lever that tranfers force to the object to be moved |
| resistance force | force overcome by a machine |
| screw | a spiral inclined plane |
| simple machine | machine that works with one motion |
| wedge | 2 inclined plane that move together |
| wheel and axle | 2 different sized wheels that rotate together |
