Pointing an Antenna

Lifting Frame

Turning a Force to Cancel a Component

Holding Down a Balloon

Smallest Force for a Vertical Resultant

Choosing Two Equal Forces

Resultant of Coplanar Forces by Rectangular Components

Add any number of coplanar forces by summing x and y components, and find an unknown force from a known resultant.

Dot Product: Angle Between Vectors and Projection of a Force

Use the dot product to find the angle between two lines and the parallel and perpendicular components of a force.

Two Forces by Components

Three Forces on an Eyebolt

Three-Way Tug of War

Nearly Opposite Forces

Adding Cartesian Vectors

Wires on a Utility Pole

Belt on a Pulley

Slings on a Crane Hook

Third Force on a Bracket

Two Unknown Magnitudes

Gusset Plate

Making the Resultant Horizontal

Direction for a Vertical Resultant