IB Physics A3 Definitions
This page contains our IB Physics definitions for A3. By learning each one of these definitions, you will fully cover the content for IB Physics 'Work, energy sources & power'.
chemical energy
It is the energy stored in the bonds of molecules
efficiency
It is the ratio of useful energy output to the total energy input
elastic potential energy
It is the energy an object holds when it is compressed or tensed
electrical energy
It is the energy produced by the flow of charged particles
energy
The ability to move a unit force a unit distance, measured in joules. ie the amount of work done
Energy density
It is the energy released per unit volume of fuel
Fuel
It is energy extracted from source to power devices
gravitational potential energy
It is the energy an object holds by being above a surface
kinetic energy
It is the energy of movement
nuclear energy
It is the energy produced by the nuclear decomposition of an atom
power
It is the rate of energy transfer or rate of work done
sound energy
It is the energy of sound waves
Specific energy
It is the energy released per unit mass of fuel
thermal energy
It is the energy of heat an object holds
work
It is the measure of energy required to apply a force to move an object in the direction of the force
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