Scalar equations of equilibrium 3d9/4/2023 ![]() Thus, if all the forces are added together as vectors, then the resultant force (the vector sum) should be 0 Newton. If the object is at equilibrium, then the net force acting upon the object should be 0 Newton. The object is a point on a string upon which three forces were acting. The state of the object is analyzed in terms of the forces acting upon the object. A common physics lab is to hang an object by two or more strings and to measure the forces that are exerted at angles upon the object to support its weight. If an object is at rest and is in a state of equilibrium, then we would say that the object is at "static equilibrium." "Static" means stationary or at rest. This too extends from Newton's first law of motion.
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