Learn: Energy Transfers and Efficiency
AQA GCSE Physics 8463
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Match the items on the left with their correct pairs on the right
Match the items on the left with their correct pairs on the right
Which of the following is an example of energy transfer?
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A machine uses 500 J of energy, but only transfers 150 J to useful work. What is its efficiency?
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Lubrication reduces {{blank0}}, while insulation prevents {{blank1}}.
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Which of these methods improve efficiency? (Select all that apply)
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