Energy stores, transfers and conservation

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Question 4
Easy

A wind turbine has a main rotor shaft that spins inside heavy-duty roller bearings.

A diagram of a wind turbine shaft and roller bearing assembly.

State one method of reducing the unwanted energy transfer to thermal stores (heating) in these bearings as the shaft rotates.

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Energy stores, transfers and conservation Questions

  1. GCSE
  2. /Physics
  3. /Energy stores, transfers and conservation