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18 Cards in this Set
- Front
- Back
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Force |
Force = mass X acceleration |
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Potential difference (volts) |
Current X resistance |
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Energy transfered |
Power X time. Change in flow X potential difference |
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Power |
Work done / time Energy transferred x time Potential difference X current Current^2 X resistance
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Speed |
= distance over time |
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Kinetic energy |
= 1/2 mass X speed^2
Means amount of energy found in a morning object |
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Gravitational potential energy |
= Mass X gravitational field strength x height |
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Work done |
= force X distance |
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Efficiency |
Useful output energy transferred / useful input energy transferred
Useful power output / total power output |
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Acceleration |
= Change in velocity / time taken |
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Momentum |
= Mass x velocity |
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Force applied to a spring |
= spring constant x extension |
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Resultant force |
=mass X acceleration |
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Weight |
= mass X gravitational field strength |
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Density |
= mass / volume |
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Wave speed |
Frequency X wave length |
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Change in flow |
Current X time |
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Elastic potential energy |
1/2 x spring constant x extension^2 |
