摘要：In the Forces section. we mentioned that forces havecomponents. In most systems we work with, this will generally be resolvedhoriz

In the Forces section. we mentioned that forces have components. In most systems we work with, this will generally be resolved horizontally and vertically.

You’ll need to make sure your trigonometry is up to scratch!

Make sure you are happy with the following topics before continuing.

来源：安娜说留学