Resultant of a Sum of Forces

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In this Demonstration, you can add several forces in the same plane to find the resultant force . You can modify a force's magnitude (in newtons N) and direction .

Contributed by: Enrique Zeleny (March 2011)
Open content licensed under CC BY-NC-SA



To find the resultant force in polar coordinates , first sum the components of the forces in Cartesian coordinates and . If there are forces , where , let and . Then the magnitude of the resultant is and its angle is .

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