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Science Creation 2
Work Power and Machines
| Term | Definition |
|---|---|
| Work | when an object moves in the direction of the force you or a machine applies. |
| Power | the rate at which you or a machine does work. |
| Machines | A simple object that changes the direction or size of a force. |
| Force | an action that changes the motion of an object. |
| Time | how long it takes to do something. |
| Distance | how much and object moves from it's starting postion |
| input/output force | input: the force you apply to an object output: the force a machine in turn applies to an object. |
| mechanical efficiency/advantage | efficiency: how effective a machine is advantage: how much a machine increases a force |