Applied Mechanics and Graphic Statics
The forces which meet at one point and have their lines of action in different planes are called

Coplanar non-concurrent forces
Non-coplanar non-current forces
Intersecting forces
Non-coplanar concurrent forces

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Applied Mechanics and Graphic Statics
A point subjected to a number of forces will be in equilibrium, if

Two resolved parts in any two directions at right angles are equal
Algebraic sum of the forces is zero
Sum of resolved parts in any two directions at right angles, are both zero
Algebraic sum of the moments of the forces about the point is zero

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