1.6 Energy Dissipation (GCSE Physics)

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

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Question 1

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Useful energy is energy transferred:

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

Why do brakes on cycles become hot during long braking?

How does friction affect the energy transfer of a bicycle brake system?

Why might friction be deliberately increased in certain devices?

How can energy dissipation be minimized?

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

Why would reducing friction be beneficial for moving mechanisms?

What describes energy dissipated by friction in a drill bit?

What happens when energy dissipates in a car engine?

How does energy dissipation affect the efficiency of systems?

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