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Definition
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Definition
Acceleration = change in velocity/time taken a = v-u/t |
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Force = mass x acceleration F = m x a |
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Weight = mass x g (10 on Earth) W = m x g |
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Momentum (stopping distance) |
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Definition
Momentum = mass x velocity p = m x v |
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Moment = force x perpendicular distance from pivot |
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Orbital speed = 2 x pi x orbital radius/time period |
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Power = current x voltage P = I x V |
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Energy transferred = current x voltage x time E = ItV |
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Voltage = current x resistance V = IR |
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Charge = current x time Q = It |
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Wave speed = frequency x wavelength v = f(lamda) |
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Definition
Frequency = 1/Time period f = 1/T (and T = 1/f) |
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Efficiency = useful energy output/total energy input |
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Definition
Work done = force x distance moved W = Fd |
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Definition
gravitational potential energy = mass × g × height GPE = mgh |
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Definition
kinetic energy = 1/2 × mass × speed^2 KE = 1/2 × m × v^2 |
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Definition
Power = work done/time taken P = W/t |
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Definition
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Definition
Pressure = force/area p = F/A |
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Definition
Pressure difference = height × density × g |
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Pressure and Kelvin temperature |
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Pressure and volume of a fixed mass of gas |
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