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May 8th, 2019, 11:33 PM  #1 
Senior Member Joined: Aug 2014 From: India Posts: 354 Thanks: 1  How to represent this statement in a diagram?
Statement: My friend represented this sentence "Two forces have magnitude of 3N and 5N, and have an angle of 60 between them" into this diagram: But why didn't he represent like this?: Last edited by Ganesh Ujwal; May 9th, 2019 at 12:05 AM. 
May 9th, 2019, 03:58 AM  #2 
Senior Member Joined: Sep 2016 From: USA Posts: 609 Thanks: 378 Math Focus: Dynamical systems, analytic function theory, numerics 
Once my wife came home with whole milk instead of 2%. I was baffled and wanted to find out why she did this. So I came straight here to ask everyone except my wife.

May 10th, 2019, 12:51 AM  #3 
Senior Member Joined: Apr 2014 From: UK Posts: 918 Thanks: 331 
I asked your friend and he said it was because when you draw a line from A to B, that represents the resultant force, whereas yours doesn't.

May 10th, 2019, 10:26 PM  #4 
Senior Member Joined: Aug 2014 From: India Posts: 354 Thanks: 1  
May 11th, 2019, 05:57 AM  #5 
Math Team Joined: Jul 2011 From: Texas Posts: 2,923 Thanks: 1518  
May 12th, 2019, 05:57 AM  #6 
Math Team Joined: Jul 2011 From: Texas Posts: 2,923 Thanks: 1518 
Note that Forces are vector quantities ... vectors are graphically depicted as arrows which show direction and magnitude. The following two vector diagrams are equivalent. 

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