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T APLUS 22 Forums Junkie Location: Melbourne Registered: October 2003	Physicist please read. Thu, 07 April 2005 05:26 Barry throws a ball into the air. First consider the ball while it remains in Barry's hand. (ignore air resistance)(and barry is on earth) Kim says barry has exerted a greater force on the ball than the ball exerts on Barry and hence the ball accelerates. Barry says kim has got it wrong and the ball exerts the same force as his hand. Secretly Barry is worried because he knows the ball shouls remain stationary or at constant velocity if the forces are equal. Kathy says they are both wrong, and that the reaction force to Barry's hand is gravity so as long as Barry exerts more force than gravity does he can throw the ball. Who is right, and who is wrong? this should seperate the men from the boys. [Report message to a moderator]

	Subject	Poster	Date
	Physicist please read.	T APLUS 22	Thu, 07 April 2005 05:26
	Re: Physicist please read.	Corona RT142	Thu, 07 April 2005 05:28
	Re: Physicist please read.	st184 sillycar	Thu, 07 April 2005 05:34
	Re: Physicist please read.	Phrozen_Death	Thu, 07 April 2005 06:09
	Re: Physicist please read.	river	Thu, 07 April 2005 06:19
	Re: Physicist please read.	hickoz_bro	Thu, 07 April 2005 06:38
	Re: Physicist please read.	T APLUS 22	Thu, 07 April 2005 15:02
	Re: Physicist please read.	st184 sillycar	Fri, 08 April 2005 00:54
	Re: Physicist please read.	THE WITZL	Fri, 08 April 2005 03:33
	Re: Physicist please read.	Phrozen_Death	Fri, 08 April 2005 03:51
	Re: Physicist please read.	st184 sillycar	Fri, 08 April 2005 04:07
	Re: Physicist please read.	hickoz_bro	Fri, 08 April 2005 09:24
	Re: Physicist please read.	river	Fri, 08 April 2005 10:36
	Re: Physicist please read.	hickoz_bro	Sat, 09 April 2005 08:10
	Re: Physicist please read.	T APLUS 22	Sun, 10 April 2005 08:38
	Re: Physicist please read.	hickoz_bro	Sun, 10 April 2005 10:47
	Re: Physicist please read.	river	Tue, 12 April 2005 06:35
	Re: Physicist please read.	T APLUS 22	Tue, 12 April 2005 13:35
	Re: Physicist please read.	b1gb3n	Mon, 11 April 2005 01:49
	Re: Physicist please read.	T APLUS 22	Mon, 11 April 2005 08:43

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