If your class uses this platform, it usually comes with "selected solutions" and step-by-step problem-solving guides for the 10th Edition. This is the official source, and it often includes interactive tutorials.
That being said, I can offer some general guidance on how to find the solutions manual:
"Mechanics of Materials" by Hibbeler covers the fundamental concepts of mechanics of materials, including:
But what exactly are you getting when you search for this PDF? Is it a legitimate study aid, a crutch, or a liability? In this article, we will explore the structure of Hibbeler’s 10th edition, the academic value of solution manuals, the risks of free downloads, and the ethical ways to use these resources to actually pass your final exam.
— Shear flow in built-up and thin-walled members.