Equilibrium

Static equilibrium is achieved when resultant force and resultant moment both equals to zero

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Any static force system will be in equilibrium if the resultant force and resultant moment are both equal to zero.

Static equilibrium can be expressed as

ΣF_x = ΣF_y = ΣF_z = 0 (1)

ΣM_x = ΣM_y = ΣM_z = 0 (2)

where

F = force (N, lb)

M = moment (Nm, ft lb)

x, y, z = orthogonal axes

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Related Topics

Mechanics Kinematics, forces, vectors, motion, momentum, energy and the dynamics of objects

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Moment of Inertia Moment of Inertia (Mass Moment of Inertia) depends on the mass of the object, its shape and its relative point of rotation
Force Force, Newton's third Law and acceleration
Torque, or Moment - online Converter Torque, or moment, of a force about a particular point

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