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CLIP 274

How to reduce friction on ice

How to reduce friction on ice
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Key Info
  • How to reduce friction on ice
  • Duration: 02:28
  • A demonstration of frictional force when curling on an ice rink. Players use shoes with one rubber sole for grip and one Teflon sole to slide along the ice. They also spray small droplets of water onto the ice, which instantly freeze on the surface. The effect this has on the frictional force between the ice and the stone is demonstrated.
  • Subject:

    Science

       Topic:

    Phys: Forces - Contact and Non-contact

  • Keywords: forces, friction, surface
Ideas for use in class
  • As a starter to show that a frictional force is a contact force which depends on the surfaces in contact. Explanation of how friction opposes movement.
Background details
  • Clip language : English
  • Aspect ratio : 4x3

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