Resolving forces

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Vikash

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My dought is HOW DO YOU RESOLVE THE FORCE F2 INTO its vertical and horizontal components.?....other 2 forces can be done....but iam concerned about the force F2. Is there a particular method to do it? Help is needed .thanks
 

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They show F2 as normal to the 20N force, so it makes a 70 degree angle with the x-axis.
 
Vikash said:
More in depth explanation please?
Click to expand...

What else would you like to know? The angle between F2 and the 20N force is shown to be 90 degrees.
The 20N force is shown to make an angle of -20 degrees with the x-axis.

90 + (-20) = 70 and this is the angle that F2 makes with the x-axis.

Given this angle just project F2 onto the x and y axes as usual

[MATH]F2 = (F2_x,~F2_y) = |F2| (\cos(70^\circ),~\sin(70^\circ))[/MATH]
 
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