click below
click below
Normal Size Small Size show me how
Wilard Science 13.1
Work, Power, and Machines
| Question | Answer |
|---|---|
| Work | The transfer of energy to an object by the application of a force that causes the object to move in the direction of the force. |
| Power | A quantity that measures the rate at which work is done or energy is transformed. |
| Mechanical Advantage | A quantity that expresses how much a machine multiplies force or distance. |