Physics equations 0.0 / 5 ? PhysicsEquations and FormulaeIGCSEEdexcel Created by: _amelia_roseCreated on: 07-04-14 13:23 Efficiency useful energy output (joule, J)/total energy input (joule, J) 1 of 5 work done (joule, J) force applied (newton, N) x distance moved in direction of force (metre, m) 2 of 5 weight (newton, N) mass (kilograms, Kg) x gravitation field strength (newtons per kilogram, N/Kg) 3 of 5 change in gravitational potential energy (joule, J) mass (kilograms, Kg) x gravitational field strength (newtons per kilogram, N/Kg) x change in height (metre,m) 4 of 5 kinetic energy (joule, J) 1/2 x mass (kilograms, Kg 5 of 5
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