P2.3.1 Energy and Work

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  • Created by: Maddi
  • Created on: 24-04-14 21:38
What do we mean by 'work' in science?
Work is done on an object when a force makes the object move.
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What is the relationship between work and energy?
Energy transferred = Work done
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How do we calculate the work done by a force?
Work done (Joules) = force (newtons) x distance moved in the direction of the force (metres).
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What are the units for work done, the units for newtons and the units for distance.
Work done: J. Force: N. Distance: m.
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What happens to the work done to overcome friction?
Work done to overcome friction is transferred as energy that heats the objects that rub together and the surroundings.
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Other cards in this set

Card 2

Front

What is the relationship between work and energy?

Back

Energy transferred = Work done

Card 3

Front

How do we calculate the work done by a force?

Back

Preview of the front of card 3

Card 4

Front

What are the units for work done, the units for newtons and the units for distance.

Back

Preview of the front of card 4

Card 5

Front

What happens to the work done to overcome friction?

Back

Preview of the front of card 5

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