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Physics A
Energy
OCR
J249
Energy
Work done
5 Subtopics
1
Conservation of energy
Revise
2
Energy store changes
Revise
3
Energy changes by heating and work
Revise
4
Energy calculations
Revise
5
Calculations for moving and stretched objects
Revise
Power and efficiency
7 Subtopics
1
Energy dissipation
Revise
2
Energy waste in devices
Revise
3
Power ratings
Revise
4
Calculating efficiency
Revise
5
Increasing efficiency
Revise
6
Reducing unwanted transfer
Revise
7
Cooling of buildings
Revise
