Hannah and Hillier are masters of the FBD. Before doing any math, sketch the object isolated from its surroundings. If you skip this, you fail.
Look at the problem statement at the start of the example. applied mechanics hannah and hillier pdf work
While a free PDF might seem like a shortcut, it often leads to a fractured learning experience. If you need a digital copy for accessibility reasons (screen reading, large print, portability), spend the $20–$30 on a legal Pearson e-text or hunt for a used 2nd-hand copy. Hannah and Hillier are masters of the FBD