Parallelogram Rule - General Components

Moment of Force about a point

Resultant vs. Equilibrant

Centroids of common shapes

Determine the coordinates of the centroids of each of these shapes.

Moment of Inertia of a Rectangle

Change rectangle dimensions and location. See how moments of inertia change.

Shear and Moment Building Blocks

Shear and Bending Moment Diagrams

Problem 2.1

Example 2.1 Determine graphically, the magnitude and direction of the resultant of the two forces shown. Find the exact answer using trigonometry.