Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Horse pulling a load (W) with a draught angle (x) as shafts is not parallel to the ground. The arrow indicates the direction of the load’s force (F). The horse needs to exert both horizontal and vertical force to move the load, as the load is pulling back and down on the horse.
