Internal energy (AQA A-Level Physics): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Internal energy definition
Internal energy definition
Sum of random KE & PE of all particles in a body
Two components of internal energy
Two components of internal energy
Kinetic energy and potential energy
Two ways to increase internal energy
Two ways to increase internal energy
Heating and doing work on the system
Heating (definition)
Heating (definition)
Energy transfer caused by temperature difference
Doing work (definition)
Doing work (definition)
Energy transfer from force moving through distance
Effect when system does work on surroundings
Effect when system does work on surroundings
Decreases its internal energy
Joule's key discovery
Joule's key discovery
Heat & work are equivalent forms of energy transfer
First law of thermodynamics
First law of thermodynamics
= energy by heating + work done on system
Internal energy component linked to temperature
Internal energy component linked to temperature
Kinetic energy component
Energy component increasing during change of state
Energy component increasing during change of state
Potential energy component