Rectangular Cartesian Components:
Consider the wall-mounted eye hook under the action of force 
as shown
below.
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=>
|
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We can describe this force in terms of its rectangular Cartesian components along the x, y axes as
where 
and 
. The negative sign in front
of Fy is because it is directed in the negative y direction.
We can also replace by forces 
and 
if the following conditions are met.
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=
|
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