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===About Resultant Forces===
: When [[force]]s act in the same direction their [[magnitude]]s are added together.
: When [[force]]s act along the same line but in opposite directions; one is [[Subtraction|subtracted]] from the other.
: When [[force]]s are at [[Right Angle|right angles]] to one another they can be added using [[Pythagoras' Theorem|Pythagoras' theorem]] to find the [[magnitude]] of the '''resultant force''' and then trigonometry can be used to find the direction of the '''resultant force'''.