Whilst the previous chapter focused solely on head-on collisions, this chapter also considers tangential contact. The objective is to extend the previous analysis to include oblique collisions. The strategy also resembles the prior chapter. First, we pay attention to contact mechanics by analysing tangential forces acting on a surface. The analysis is later enhanced to a contact of two spherical bodies. This knowledge is exploited in the subsequent sections of the chapter, where we consider a full oblique collision of two bodies. The collision process is described in detail by following a study case, which is solved using a computer code provided for readers.