Energy stores, transfers and conservation

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Question 63
Easy

A skateboard has wheels containing metal ball bearings that spin around a central axle.

A diagram of a skateboard wheel assembly. An outer polyurethane wheel is shown with a cutaway revealing a metal ball bearing inside. One leader line points to the metal bearing balls and is labeled 'ball bearings'. Another leader line points to the contact region with the axle.

Give one way of reducing the heating of the bearings when the skateboard wheel spins.

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Energy stores, transfers and conservation Questions

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