level: Level 1
Questions and Answers List
level questions: Level 1
| Question | Answer |
|---|---|
| Mass x gravitational field strength | weight |
| Force x distance | work done |
| Spring constant x extension | Force applied to a spring |
| Force x distance (normal to the direction of the force) | Moment of a force |
| Mass x gravitational field strength x height | Gravitational potential energy |
| Useful output energy transfer / total input energy transfer | Efficiency |
| Current x time | Chargeflow |
| Current^2 x resistance | Power |
| Charge flow x potential difference | Energy transferred |
| Force normal to a surface / surface area | Pressure |
| Change in velocity / time taken | acceleration |
| Mass x velocity | momentum |
| Work done / time | power |
| Useful power output / total power input | Efficiency |
| Current x resistance | Potential difference |
| Power x time | Energy transferred |
| Mass / volume | Density |
| Speed x time | Distance travelled |
| Mass x acceleration | Resultant force |
| 0.5 x mass x speed ^2 | Kinetic energy |
| Energy transferred / time | Power |
| Frequency x wavelength | Wavespeed |
| Potential difference x current | Power |