Lifting Frame

Equal Direction Angles

Half the Force Is Vertical

A Crane Boom in Space

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.

Resultant of Two Forces 60° Apart

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.

Hook on a Wall

Pulling a Sled

Resultant of Two Perpendicular Forces

Difference of Two Forces

Pulling Down a Tree

Two Tugboats on a Ship

Two Tractors on a Stuck Truck

Moving a Pallet Down an Aisle

Cable Angle for a Required Resultant

The Missing Force on a Bracket

Three Ropes, Two Triangles

How Big Can the Resultant Be?

Pulling a Car Out of a Ditch

Second Force for a Vertical Resultant on a Hook