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20 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Efficiency |
Useful energy/Total energy |
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Force |
F =MA Force = mass x acceleration |
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Speed |
S = d/t Speed = Distance/Time |
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Acceleration |
A= 🔼V/T Acceleration = change in velocity/ time taken |
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Weight |
W = mg Weight = mass x gravitational field strength |
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Momentum |
P = mv Momentum = mass x velocity |
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Wavespeed 1 |
Wave speed = frequency x wavelength |
Wavelength |
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Wave speed 2 |
Wave speed = Distance/Time |
Time |
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Density |
P=M/V Density = mass / volume |
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Work done |
E = FD Work done = force x distance move in direction of force |
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🔼GPE |
🔼GPE = mgh Gravitational potential energy = mass x gravitational potential energy x change in vertical height |
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Kenetic energy |
Ke = ½mv² Kenetic energy =½ x mass x speed² |
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Power 1 |
P=E/T Power = Energy transfered/Time |
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Energy transfered |
E=VQ Energy transfered = potential difference x charge moved |
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Power 2 |
P=E/T Power = work done/ time |
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Charge |
Q=IT Charge = Current x Time |
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Potential difference |
V=IR potential difference = Current x resistance |
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Electrical power 1 |
P=IV electrical power = Current x potential difference |
Current |
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Electrical power 2 |
P=I²R Electrical power = Current² x resistance |
Current² |
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Force exerted on a spring |
F=Kx Force exerted on a spring = spring constant x extention |
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