Physics
Geometry
Isaac Newton
Newtons Laws of Motion

Explain why the polygon of forces must close when a body is in equilibrium?

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Answer

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Wiki User
03/17/2009

The answer is in the definition: polygon of forces (plural polygons of forces) # (mechanics) A polygonal figure the sides of which are vectors representing several forces acting simultaneously upon one point, so that the vector necessary to make the figure closed is the resultant of those forces.