522008
| Questão | Responda |
| Are there forces at work in almost every situation? | Yes. |
| What happens if an object is still, in terms of energy? | No energy is transferred. |
| When is energy transferred? | When an object moves in the same direction as a force that is pushing or pulling the object. |
| A woman moves a suitcase. There is energy transferred from the woman to the suitcase. There is work .... | ... done by the woman. The harder she pulls, the further she moves, the more energy she transfers. |
| What is work done the equivalent of? | Energy transferred. |
| What equation links work done/energy transferred, force and distance? | W = F x d W=work done or energy transferred (J) F=force applied (N) d=distance travelled (m) |
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