| A | B |
|---|
| the amount of force applied on a certain area | pressure |
| unit of force | newtons |
| unit of pressure | Pascal |
| 1Pa= | 1 N/m2 |
| squashed gas | compressed |
| tyreswith air inside | pneumatic |
| air tight pressurised container | aerosol |
| cannot be compressed | liquids |
| system which uses liquids to transmit forces | hydraulic |
| force = pressure x | area |
| water pressure increases with | depth |
| inventor of thefirst steam engine | Thomas Newcomen |
| simple machine | lever |
| pivot | fulcrum |
| levers act as | force multipliers |
| what the biceps uses as a lever | radius |
| muscles | cannot push |
| muscles which act in opposite directions | antagonistic pairs |
| turning effect of a force | moment |
| unit to measure turning effects | Nm |
| moment + distance from pivot x | force |
| anticlockwise moment= clockwise moment | equilibrium |
