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23 Cards in this Set
- Front
- Back
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Average speed = |
Distance / time |
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Acceleration = |
Change in velocity / time |
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Force = |
Mass × acceleration |
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Weight = |
Mass × gravitational field strength |
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Momentum = |
Mass × velocity |
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Moment = |
Force × perpendicular distance from pivot |
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Power = |
Current x charge |
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Voltage = |
Current × resistance |
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Charge = |
Current × time |
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Wave speed = |
Frequency × wavelength |
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Refractive index (n) = |
Sin i / sin r |
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Sin c = |
1 / n |
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Efficiency = |
Useful energy output / total energy output |
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Work done = |
Force × distance moved |
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Gravitational potential energy = |
Mass × g × height |
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Kinetic energy = |
1/2 × mass × velocity^2 |
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Energy transferred = |
Work done |
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Density = |
Mass / volume |
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Pressure = |
Force / area |
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Pressure difference = |
Height × density × g |
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Input (primary) voltage / output (secondary) voltage = |
Primary turns / secondary turns |
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Input power = |
Output power (100% efficiency) |
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VpIp = |
VsIs |
