Translational Equilibrium.

Translational Equilibrium.

We would like to introduce a concept called the polygon of forces, first used by Squire Whipple, an American engineer who develop the technique of analyzing a truss and put his ideas into a foundational 1847 book on bridge building.

See problems in an attachment.

Help me please with first file. Files 2 and 3 explain Activity 1-1.

• Attachment 1
• Attachment 2
• Attachment 3