Talk:Friction/Archive 2
Latest comment: 3 years ago by Volteer1 in topic Semi-protected edit request on 20 February 2021
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Rolling Friction
Isn't rolling friction a kind of static friction? CessnaMan1989 (talk) 18:17, 26 January 2021 (UTC)
- No. Static friction occurs between 2 objects when there is no relative motion. It acts to prevent relative motion. In contrast, rolling friction occurs between 2 objects when there is relative motion. The coefficient of rolling friction is much lower than the coefficient of friction for other forms of friction which explains why mankind makes so much use of wheels, ball bearings and roller bearings. Dolphin (t) 19:54, 26 January 2021 (UTC)
Semi-protected edit request on 20 February 2021
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The reference to the NASA document: Barrett, Richard T. (1 March 1990). "(NASA-RP-1228) Fastener Design Manual" This is used as a source for the static and dynamic friction of wood and other materials. This document has absolutely nothing to do with friction and includes no such reference data. 149.167.140.87 (talk) 03:31, 20 February 2021 (UTC)
Not done: Have a look at Table IV on page 20. It seems the data the document is used as a source for is present. Volteer1 (talk) 03:48, 20 February 2021 (UTC)
