Amontons' first law of friction - Revision history

Vipul: /* Other online resources */

2010-08-14T17:16:35Z

Other online resources

← Older revision		Revision as of 17:16, 14 August 2010
Line 62:		Line 62:
	===Other online resources===		===Other online resources===

	* [http://www.nano-world.org/frictionmodule/content/0200makroreibung/0100leonardo/ The law of Leonardo (da Vinci)] on Nano World.		* [http://www.nano-world.org/frictionmodule/content/0200makroreibung/0100leonardo/ The law of Leonardo (da Vinci)] on Nano World, has accompanying demonstration.

Vipul: /* External links */

2010-08-14T17:16:02Z

External links

← Older revision		Revision as of 17:16, 14 August 2010
Line 50:		Line 50:
	</toggledisplay>		</toggledisplay>

	==~~External links~~==		==References==

	===Instructional video links===		===Instructional video links===
Line 59:		Line 59:
	\| [http://ocw.mit.edu/courses/physics/8-01-physics-i-classical-mechanics-fall-1999/video-lectures/embed08/ MIT OCW lecture on friction by Walter Lewin] \|\|[http://www.youtube.com/watch?v=uZGbtK2KBoY&feature=player_embedded#t=9m59s link] \|\| 09:59 -- 11:10 (watch earlier and later for full context) \|\| Does not explicitly name the law but discusses it and uses an experimental demonstration by using the [[angle of repose]] as a proxy for estimating the [[limiting coefficient of static friction]] and showing that this is independent of area. \|\| same as video link \|\| From "Now comes something..." to "...touch the critical surfaces."		\| [http://ocw.mit.edu/courses/physics/8-01-physics-i-classical-mechanics-fall-1999/video-lectures/embed08/ MIT OCW lecture on friction by Walter Lewin] \|\|[http://www.youtube.com/watch?v=uZGbtK2KBoY&feature=player_embedded#t=9m59s link] \|\| 09:59 -- 11:10 (watch earlier and later for full context) \|\| Does not explicitly name the law but discusses it and uses an experimental demonstration by using the [[angle of repose]] as a proxy for estimating the [[limiting coefficient of static friction]] and showing that this is independent of area. \|\| same as video link \|\| From "Now comes something..." to "...touch the critical surfaces."
	\|}		\|}

			===Other online resources===

			* [http://www.nano-world.org/frictionmodule/content/0200makroreibung/0100leonardo/ The law of Leonardo (da Vinci)] on Nano World.

Vipul at 16:25, 14 August 2010

2010-08-14T16:25:12Z

← Older revision		Revision as of 16:25, 14 August 2010
Line 3:		Line 3:
	==Name==		==Name==

	This law is sometimes termed '''~~Amonton~~'s first law of friction''', but is often attributed to Leonardo da Vinci, and is hence sometimes termed '''Leonardo da Vinci's law of friction'''. Often, the law is studied without an explicit name, but rather, by its statement.		This law is sometimes termed '''Amontons' first law of friction''' after Guillaume Amontons, but is often attributed to Leonardo da Vinci, and is hence sometimes termed '''Leonardo da Vinci's law of friction'''. Often, the law is studied without an explicit name, but rather, by its statement.

	==Statement==		==Statement==

Vipul: moved Amonton's first law of friction to Amontons' first law of friction

2010-08-14T16:24:45Z

moved Amonton's first law of friction to Amontons' first law of friction

← Older revision	Revision as of 16:24, 14 August 2010
(No difference)

Vipul at 16:21, 14 August 2010

2010-08-14T16:21:42Z

← Older revision		Revision as of 16:21, 14 August 2010
Line 1:		Line 1:
	{{constitutive relation}}		{{constitutive relation}}

			==Name==

			This law is sometimes termed '''Amonton's first law of friction''', but is often attributed to Leonardo da Vinci, and is hence sometimes termed '''Leonardo da Vinci's law of friction'''. Often, the law is studied without an explicit name, but rather, by its statement.

	==Statement==		==Statement==

Vipul: /* External links */

2010-08-14T15:51:53Z

External links

← Older revision		Revision as of 15:51, 14 August 2010
Line 50:		Line 50:
	===Instructional video links===		===Instructional video links===

	{\| class="~~wikitable~~" border="1"		{\| class="sortable" border="1"
	! Video link (on course page) !! Video link to correct start time (not necessarily on course page) !! Segment !! Contextual information !! Transcript link !! Transcript segment		! Video link (on course page) !! Video link to correct start time (not necessarily on course page) !! Segment !! Contextual information !! Transcript link !! Transcript segment
	\|-		\|-
	\| [http://ocw.mit.edu/courses/physics/8-01-physics-i-classical-mechanics-fall-1999/video-lectures/embed08/ MIT OCW lecture on friction by Walter Lewin] \|\|[http://www.youtube.com/watch?v=uZGbtK2KBoY&feature=player_embedded#t=9m59s link] \|\| 09:59 -- 11:10 (watch earlier and later for full context) \|\| Does not explicitly name the law but discusses it and uses an experimental demonstration by using the [[angle of repose]] as a proxy for estimating the [[limiting coefficient of static friction]] and showing that this is independent of area. \|\| same as video link \|\| From "Now comes something..." to "...touch the critical surfaces."		\| [http://ocw.mit.edu/courses/physics/8-01-physics-i-classical-mechanics-fall-1999/video-lectures/embed08/ MIT OCW lecture on friction by Walter Lewin] \|\|[http://www.youtube.com/watch?v=uZGbtK2KBoY&feature=player_embedded#t=9m59s link] \|\| 09:59 -- 11:10 (watch earlier and later for full context) \|\| Does not explicitly name the law but discusses it and uses an experimental demonstration by using the [[angle of repose]] as a proxy for estimating the [[limiting coefficient of static friction]] and showing that this is independent of area. \|\| same as video link \|\| From "Now comes something..." to "...touch the critical surfaces."
	\|}		\|}

Vipul at 15:51, 14 August 2010

2010-08-14T15:51:00Z

← Older revision		Revision as of 15:51, 14 August 2010
Line 9:		Line 9:
	==Apparent counterexamples==		==Apparent counterexamples==

	{\| class="~~wikitable~~" border="1"		{\| class="sortable" border="1"
	! Formulation of apparent counterexample !! Resolution !! Possible empirical tests		! Formulation of apparent counterexample !! Resolution !! Possible empirical tests
	\|-		\|-
Line 51:		Line 51:

	{\| class="wikitable" border="1"		{\| class="wikitable" border="1"
	! Video link !! Segment !! Contextual information !! Transcript link !! Transcript segment		! Video link (on course page) !! Video link to correct start time (not necessarily on course page) !! Segment !! Contextual information !! Transcript link !! Transcript segment
	\|-		\|-
	\| [http://ocw.mit.edu/~~OcwWeb~~/~~Physics~~/8-~~01Physics~~-~~IFall1999~~/~~VideoLectures~~/~~detail~~/~~embed08.htm~~ MIT OCW lecture on friction by Walter Lewin] \|\| 09:59 -- 11:10 (watch earlier and later for full context) \|\| Does not explicitly name the law but discusses it and uses an experimental demonstration by using the [[angle of repose]] as a proxy for estimating the [[limiting coefficient of static friction]] and showing that this is independent of area. \|\| same as video link \|\| From "Now comes something..." to "...touch the critical surfaces."		\| [http://ocw.mit.edu/courses/physics/8-01-physics-i-classical-mechanics-fall-1999/video-lectures/embed08/ MIT OCW lecture on friction by Walter Lewin] \|\|[http://www.youtube.com/watch?v=uZGbtK2KBoY&feature=player_embedded#t=9m59s link] \|\| 09:59 -- 11:10 (watch earlier and later for full context) \|\| Does not explicitly name the law but discusses it and uses an experimental demonstration by using the [[angle of repose]] as a proxy for estimating the [[limiting coefficient of static friction]] and showing that this is independent of area. \|\| same as video link \|\| From "Now comes something..." to "...touch the critical surfaces."
	\|}		\|}

Vipul: /* External links */

2010-05-11T19:47:13Z

External links

← Older revision		Revision as of 19:47, 11 May 2010
Line 53:		Line 53:
	! Video link !! Segment !! Contextual information !! Transcript link !! Transcript segment		! Video link !! Segment !! Contextual information !! Transcript link !! Transcript segment
	\|-		\|-
	\| [http://ocw.mit.edu/OcwWeb/Physics/8-01Physics-IFall1999/VideoLectures/detail/embed08.htm MIT OCW lecture on friction by Walter Lewin] \|\| 09:59 -- 11:10 (watch earlier and later for full context) \|\| Does not explicitly name the law but discusses it and uses an experimental demonstration by using the [[angle of repose]] as a proxy for estimating the [[limiting coefficient of static friction]] and showing that this is independent of area. \|\| same as video link \|\| From "Now comes something..." to "...touch the critical surfaces.")		\| [http://ocw.mit.edu/OcwWeb/Physics/8-01Physics-IFall1999/VideoLectures/detail/embed08.htm MIT OCW lecture on friction by Walter Lewin] \|\| 09:59 -- 11:10 (watch earlier and later for full context) \|\| Does not explicitly name the law but discusses it and uses an experimental demonstration by using the [[angle of repose]] as a proxy for estimating the [[limiting coefficient of static friction]] and showing that this is independent of area. \|\| same as video link \|\| From "Now comes something..." to "...touch the critical surfaces."
	\|}		\|}

Vipul: /* External links */

2010-05-11T19:36:18Z

External links

← Older revision		Revision as of 19:36, 11 May 2010
Line 53:		Line 53:
	! Video link !! Segment !! Contextual information !! Transcript link !! Transcript segment		! Video link !! Segment !! Contextual information !! Transcript link !! Transcript segment
	\|-		\|-
	\| [http://ocw.mit.edu/OcwWeb/Physics/8-01Physics-IFall1999/VideoLectures/detail/embed08.htm MIT OCW lecture on friction by Walter Lewin] \|\| 09:59 -- 11:10 (watch earlier and later for full context) \|\| Does not explicitly name the law but discusses it and uses an experimental demonstration by using the [[angle of repose]] as a proxy for estimating the [[limiting coefficient of static friction]] and showing that this is independent of area. \|\| \|\| From "Now comes something..." to "...touch the critical surfaces.")		\| [http://ocw.mit.edu/OcwWeb/Physics/8-01Physics-IFall1999/VideoLectures/detail/embed08.htm MIT OCW lecture on friction by Walter Lewin] \|\| 09:59 -- 11:10 (watch earlier and later for full context) \|\| Does not explicitly name the law but discusses it and uses an experimental demonstration by using the [[angle of repose]] as a proxy for estimating the [[limiting coefficient of static friction]] and showing that this is independent of area. \|\| same as video link \|\| From "Now comes something..." to "...touch the critical surfaces.")
	\|}		\|}

Vipul: /* External links */

2010-05-11T19:35:28Z

External links

← Older revision		Revision as of 19:35, 11 May 2010
Line 50:		Line 50:
	===Instructional video links===		===Instructional video links===

	* [http://ocw.mit.edu/OcwWeb/Physics/8-01Physics-IFall1999/VideoLectures/detail/embed08.htm MIT OCW lecture on friction by Walter Lewin] ~~does~~ not explicitly name the law but discusses it and uses an experimental demonstration by using the [[angle of repose]] as a proxy for estimating the [[limiting coefficient of static friction]] and showing that this is independent of area. ~~(09:59 -- 11:10; watch earlier and later for full context. Transcript also available, from~~ "Now comes something..." to "...touch the critical surfaces.")		{\| class="wikitable" border="1"
			! Video link !! Segment !! Contextual information !! Transcript link !! Transcript segment
			\|-
			\| [http://ocw.mit.edu/OcwWeb/Physics/8-01Physics-IFall1999/VideoLectures/detail/embed08.htm MIT OCW lecture on friction by Walter Lewin] \|\| 09:59 -- 11:10 (watch earlier and later for full context) \|\| Does not explicitly name the law but discusses it and uses an experimental demonstration by using the [[angle of repose]] as a proxy for estimating the [[limiting coefficient of static friction]] and showing that this is independent of area. \|\| \|\| From "Now comes something..." to "...touch the critical surfaces.")
			\|}