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 May 13th, 2019, 09:12 PM #1 Senior Member   Joined: Aug 2014 From: India Posts: 458 Thanks: 1 What are the names of these "F" arrows in these three diagrams? What is the names of this "F" arrows in this three diagrams? Last edited by skipjack; May 15th, 2019 at 04:47 AM.
May 13th, 2019, 10:15 PM   #2
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 Originally Posted by Ganesh Ujwal IMAGE What is the names of this "F" arrows in this three diagrams?
What more do you have for this problem? At a guess you are dealing with forces in 2 or 3 dimensions. So you have a component of force, $\displaystyle F_A$, pointing off in the "A direction." (Just like $\displaystyle F_x$ is a component of the force in the positive x direction.)

-Dan

 May 13th, 2019, 10:55 PM #3 Senior Member   Joined: Aug 2014 From: India Posts: 458 Thanks: 1 I am asking only about the item labelled F . Third diagram is resultant force. Second diagram is equilibrium. first diagram is confusing?
 May 14th, 2019, 06:06 AM #4 Math Team     Joined: Jul 2011 From: Texas Posts: 3,002 Thanks: 1587 First diagram is poorly sketched and was probably meant to show the x and y components of F, but F does not have the requisite length for $F = F_x+F_y$. Second diagram is $F + F_x + F_y = 0$, so yes, equilibrium. Last diagram is $F = F_x - F_y$ Thanks from topsquark
May 14th, 2019, 06:13 AM   #5
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Quote:
 Originally Posted by Ganesh Ujwal I am asking only about the item labelled F . Third diagram is resultant force. Second diagram is equilibrium. first diagram is confusing?
That's why I usually use "R" for the resultant force. It helps to keep track of these things.

-Dan

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