1
Q
what are the four energy carriers?
A
-mechanical
-electrical working
-heating by particles
-heating by radiation
2
Q
describe mechanical
A
when a force acts on an object e.g. pulling
3
Q
describe electrical working
A
a charge moving through a potential difference e.g. charge flowing around a circuit
4
Q
describe heating by particles
A
energy is transferred from a hotter object to a colder one
5
Q
describe heating by radiation
A
energy transferred by electromagnetic waves
Physics P7
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