Quantities
and Units
- Energy = Joules (J)
- Wd = Work done (J)
- GPE = Gravitational Potential Energy (J)
- KE = Kinetic Energy (J)
- F = force (N, Newtons)
- d = distance moved in the direction of the force (m, metres)
- m = mass (kg)
- g = gravitational field strength (N/kg) NB: G on earth = 10N/kg
- h = height (m)
- v = velocity (m/s)
- P = power (W, Watts)
- t = time (s)
End of Energy Topic
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