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1.6 Energy Dissipation (GCSE Physics)

The following is a GCSE Physics test covering '1.6 Energy Dissipation'
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What happens to energy that is not usefully transferred?
Which of these is a correct example of energy dissipation?
When machines dissipate energy, where does the wasted energy typically go?
Through what process does friction waste energy?
If wasted energy is dissipated into thermal energy, what happens to the surroundings?
Why does wasted energy `spread out`?
Which example would have higher energy dissipation rates?
What is `wasted energy`?
What eventually happens to all the wasted energy from a system?
In a kettle, which energy dissipation might occur?
As dissipated energy spreads out, what happens to its usefulness?