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

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

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Applied Mechanics and Graphic Statics
Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by

Its longer side
The diagonal of the parallelogram which does not pass through the point of intersection of the forces
The diagonal of the parallelogram which passes through the point of intersection of the forces
Its shorter side

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