Table of friction coefficients: Difference between revisions

Revision as of 21:59, 20 January 2010

First surface	Second surface	Condition	$μ_{s}$	$μ_{k}$	$\tan^{- 1} (μ_{s})$ (radians)	$\tan^{- 1} μ_{s})$ (degrees)	$\tan^{- 1} (μ_{k})$ (radians)	$\tan^{- 1} (μ_{k})$ (degrees)
Aluminimum	Steel	Dry and clean	$0.61$	$0.47$	$0.55$	$31$	$0.44$	$25$ degrees
Aluminimum	Aluminimum	Dry and clean	$1.05 - 1.35$	$1.4$	$0.81 - 0.93$	$46 - 53$	$0.95$	$54$
Copper	Steel	Dry and clean	$0.53$	$0.36$	$0.49$	$28$	$0.35$	$20$ =
Copper	Copper	Dry and clean	$1.0$	?	$0.79$	$45$	?	?
Wood	Wood	Dry and clean	$0.25 - 0.5$	?	$0.24 - 0.46$	$14 - 26$	?	?
Wood	Wood	Wet	$0.2$	?	$0.2$	$11$	?	?

@@ Line 11: / Line 11: @@
 | Copper || Copper || Dry and clean|| <math>1.0</math> || ? || <math>0.79</math> || <math>45</math> || ? || ?
 |-
-| Wood || Wood || Dry and clean || <math>0.25 - 0.5</math> || ? || <math>0.24 - 0.46</math> || <math>14 - 26</math> ||
+| Wood || Wood || Dry and clean || <math>0.25 - 0.5</math> || ? || <math>0.24 - 0.46</math> || <math>14 - 26</math> || ? || ?
 |-
 | Wood || Wood || Wet || <math>0.2</math> || ? || <math>0.2</math> || <math>11</math> || ? || ?