So, what are forces? Well forces cause things to change, and a beautiful example of that is Newton's first law of motion. It says that things stay still or carry on moving at a constant speed in a ...
and if the student is made to apply the ideas explained in the lectures to simple examples. The latter of these conditions is doubtless fulfilled in Prof. Tait's classes; we are concerned here ...
Newton's first law can also be ... travelling with non-uniform motion. This includes situations when the speed changes, the direction changes, or both change. For example, when a car accelerates ...