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A Cable Pulling Down

Coplanar Force Resultant: Table, Polygon and Missing Force
Add any number of forces in a plane with a clear component table and a force polygon, or find the force that is missing, that balances the others or that turns the resultant to a wanted direction.

Force Resolver: Split a Force Along Any Two Directions
Split a force into two parts along any two directions, perpendicular or not, or into x and y parts from an angle or a slope, with every step shown on the drawing.

Scalars and Vectors in Statics
What makes force a vector, how vectors are drawn and written, and how free, sliding and fixed vectors differ.

Adding Forces: Parallelogram Law and Triangle Rule
Find the resultant of two or more forces with the parallelogram law, the triangle rule and the laws of sines and cosines.

Resolving a Force into Components Along Two Axes
Split a force into components along any two given directions, and see why oblique components are not projections.














