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Explain the Conditions for Equilibrium of Forces in Space. - Engineering Mechanics

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Short Note

Explain the conditions for equilibrium of forces in space.

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Solution

A body is said to be in equilibrium if the resultant force and the resultant momentum acting on a body is zero.
For a body in space to remain in equilibrium, following conditions must be satisfied:
(1) Algebraic sum of the X components of all the forces is zero.
ΣFx =0
(2)Algebraic sum of the Y components of all the forces is zero. ΣFy=0
(3)Algebraic sum of the Z components of all the forces is zero. ΣFz=0
(4)Algebraic sum of the moment of all the forces about any point in the space is zero.

Concept: Condition of equilibrium for concurrent forces
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