O'Reilly logo

Statics For Dummies by James H. Allen, III, PE, PhD

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 9. Applying Concentrated Forces and External Point Loads

As you move forward with your modeling of the world around you, which is a major step in the application of statics, one of the biggest obstacles you need to overcome is determining how to apply those pesky forces to your objects. Forces come from a wide range of sources and occur both internally and externally on the object, so you want to understand several basic rules for how these forces are applied.

In this chapter, I explain the differences between internal and external forces, explain more about where these forces come from, and show you several common scenarios in which you encounter them. I also show you some simple steps for working with forces in ropes, cables, and springs, as well as how to handle gravitational forces on objects (or self weight). Finally, I introduce the principle of transmissibility, which allows you to move forces to different locations on an object and proves very useful in statics. This chapter serves as a stepping-stone into crafting the pictures you use when applying statics to the world around you (which I cover in Part IV).

Comparing Internal and External Forces and Rigid and Deformable Bodies

You can typically separate forces into two basic categories: internal and ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required