Work Done & Energy Transfer (AQA GCSE Physics): Flashcards
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Practise the cards
12 cards from this deck
Definition of work done
Definition of work done
Work done occurs when a force moves an object through a distance
Relationship between work done and energy
Relationship between work done and energy
Work done by force equals energy transferred
Formula for work done
Formula for work done
Unit of work done
Unit of work done
Joules (J)
What 1 joule equals in newton-metres
What 1 joule equals in newton-metres
1 newton-metre
What work against friction produces
What work against friction produces
Thermal energy (heat)
What you work against when lifting objects
What you work against when lifting objects
Gravity
What increases when lifting an object
What increases when lifting an object
Gravitational potential energy
Formula for work done when lifting
Formula for work done when lifting
Value of (gravitational field strength) on Earth
Value of (gravitational field strength) on Earth
10 N/kg
What happens to energy when doing work
What happens to energy when doing work
Converts to other forms (kinetic or potential energy)
Two factors affecting work when pushing horizontally
Two factors affecting work when pushing horizontally
Force applied and distance moved