1.6 Energy Dissipation (GCSE Physics)

The following is a GCSE Physics test covering '1.6 Energy Dissipation'

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In energy dissipation, why doesn`t wasted energy disappear?

What is meant by `useful energy`?

Why do brakes on cycles become hot during long braking?

What factor contributes most to energy dissipation occurring in gear systems?

What valuable form of energy is transferred to thermal energy by friction?

In a kettle, which energy dissipation might occur?

When machines dissipate energy, where does the wasted energy typically go?

Which of these is a correct example of energy dissipation?

Why might friction be deliberately increased in certain devices?

Which example would have higher energy dissipation rates?

What happens to energy that is not usefully transferred?

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