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Kilograms
kg
Joules
J
Metre
m
metre / second
m/s
metre / second 2
m/s2
Newton
N
Second
s
Watt
W
Energy stores
Chemical, kinetic, gravitational, elastic, thermal, magnetic, electrostatic, nuclear
Energy transfers
Mechanically, electronically, by heating, by radiation
Formula for answering question about energy transfer
_______ store of _______ decrease, ______ store of _______ increase by _______
Law of conservation of energy
Energy cannot be destroyed or created, only transferred from one type to another
Efficiency equation
(useful energy output / total energy output) x 100
Diagram of useful vs wasted energy
