Energy Flashcards
8 stores of energy?
Kinetic, gravitational potential, chemical, elastic potential, magnetic, electric, nuclear, thermal
What is the units of energy?
Joules
What is the conservation of energy?
Energy can be transferred from one form to another but can’t be created or destroyed
Energy input equation?
Energy input = useful energy + wasted energy
What is wasted energy?
Energy that is not in a useful format that is dissipating
Work done equation?
Work done = force applied x distance moved
Efficiency equation?
Efficiency = useful energy transferred / total energy supplied by the device
Power equation?
Power = energy transferred to appliance / time taken for the energy to be transferred
What is an energy transfer of 1 joule equal to?
1 joule per second is equal to a power of 1 watt
