| A | B |
|---|
| ability to do work | energy |
| ability to produce energy | work |
| in this kind of machine work in would equal work out | ideal machine |
| force that pulls objects together | gravity |
| force produced by a machine | output force |
| tools that make work easier | machines |
| the number of times force is multipled by a machine | mechanical advantage |
| combination of 2 or more simple machines | compound |
| the output force is between the input force and the fulcrum | second class lever |
| work out is always less than work out | real machine |
| a type of simple machine that pivots about a fixed point | lever |
| the fulcrum is between the input force and the output force | first class lever |
| occurs when two forces rub against each other | friction |
| objects in motion tend to stay in motion, st rest tend to stay at rest | inertia |
| push or pull that causes something to move | force |
| simple machine that lifts loads and has a fulcrum | lever |
| simple machine that uses a wheel and rope | pulley |
| two inclined planes put together that pushes things apart | wedge |
| equation for acceleration | a = F / m |
| equation for work | work = F x distance |
| eqaution for mechanical advantage | MA = Fo / Fi |
| force you apply when using a machine | input force |
| probably the first simple machine | lever |
| force can be expressed in these units | newtons |
| you apply force and object moves | work is done when |
| allows you to move heavy loads with less force and greater distance | inclined plane |
| unit of work | joules |
