Efficiency and energy resources

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Question 43
Easy

Figure 1 shows a high-performance bicycle hub gear system.

A schematic diagram of a bicycle rear wheel hub gear system showing a cutaway of the internal moving gear cogs in contact with each other, labeled with rotational arrows indicating movement.

Explain how unwanted energy transfers could be reduced in this gear system.

[2]

Efficiency and energy resources Questions

  1. GCSE
  2. /Physics
  3. /Efficiency and energy resources