Applied Mechanics and Graphic Statics
The tension in a cable supporting a lift

Remains constant whether its moves downwards or upwards
Is less when the lift is moving upwards
Is more when the lift is moving downwards
Is less when the lift is moving downwards

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Applied Mechanics and Graphic Statics
The resolved part of the resultant of two forces inclined at an angle θ in a given direction is

Arithmetical sum of the resolved parts of the forces in the direction
Algebraic sum of the resolved parts of the forces in the direction
Difference of the forces multiplied by cosine θ°
Sum of the forces multiplied by the tangent θ°

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Applied Mechanics and Graphic Statics
The characteristic of a couple is:

Algebraic sum of forces, constituting a couple is zero
All listed here
A couple can be never the balanced by a single force
Algebraic sum of moments of forces, constituting a couple, about any point, is same

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