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26 Cards in this Set
- Front
- Back
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Weight |
Weight N = Mass kg x gravity N/kg |
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Work done |
Work done J or Nm = force N x distance m |
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Force applied to a spring |
Force applied to a spring N = spring constant N/m x extention m |
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Moment of a force |
Moment of a force Nm = force N x distance m |
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Force normal to a surface |
Force normal to a surface N = pressure Pa x area m2 |
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Distance travelled |
Distance travelled m = speed m/s x time s |
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Change in velocity |
Change in velocity m/s = acceleration m/s2 x time taken s |
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Resultant force |
Resultant force N = mass kg x acceleration m/s2 |
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Momentum |
Momentum kg m/s = mass kg x velocity m/s |
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Kinetic energy |
Kinetic energy J = 0.5 x mass kg x speed2 m/s |
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Gravitational potential energy |
Gravitational potential energy J = mass kg x gravitational field strength N/kg x height m |
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Energy transferred |
Energy transferred kWh = time h x power kW |
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Work done (in a circuit) |
Work done J = time s x power kW |
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Wave speed |
Wave speed m/s = frequency Hz x wavelength m |
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Charge flow |
Charge flow C = current A x time s |
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Voltage |
Voltage V = current A x resistance O |
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Power |
Power kW = current2 A x resistance O |
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Energy transferred |
Energy transferred kWh = power kW x time h |
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Energy transferred (in circuit) |
Energy transferred J = charge flow C x voltage V |
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Mass |
Mass kg = density kg/m3 x volume m3 |
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Pressure in liquid |
Pressure Pa = height m x density of liquid kg m3 x gravity N/kg |
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SUVAT |
(V velocity m/s) 2 - (u velocity m/s) 2 = 2 x accel m/s2 x distance m |
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Change in momentum |
Change in momentum kg m/s = time s x force N |
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Elastic potential energy |
Elastic potential energy J = 0.5 x spring constant N/m x extension2 m |
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1 |
1 = Period ? x frequency Hz |
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Power (definantly in circuit) |
Power kW = current A x voltage V |
