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Friction
An in-depth look at a science topic for nine- to 11-year-olds. Find out how engineers monitor road surfaces to make sure they don't get too slippery. Plus, self-waxing skis are put to the test.
Last on
Fri 15 May 2009
11:30
Βι¶ΉΤΌΕΔ Two except Northern Ireland & Yorkshire
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An investigation into friction (signed)
Duration: 02:25
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Friction on the ski slopes (signed)
Duration: 02:31
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An investigation of friction
Duration: 02:25
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Testing friction on the road (Signed)
Duration: 03:04
Broadcasts
Wed 5 Mar 2008 13:00- Mon 28 Apr 2008 13:10Βι¶ΉΤΌΕΔ Two except East & Yorkshire
- Fri 13 Mar 2009 11:30Βι¶ΉΤΌΕΔ Two except East & Yorkshire
- Fri 15 May 2009 11:30Βι¶ΉΤΌΕΔ Two except East, Northern Ireland & Yorkshire