First, the effects of air drag are often small when dealing with falling balls and rolling ... the magnitude of the drag force on a moving object. There are two things I need to do: Confirm ...

Most falling objects move quickly. Even with a modern stopwatch, it is difficult to accurately measure an object's free-fall velocity or its rate of acceleration. Having no such timepiece ...

They are afraid to embrace the power of the graph. OK, let's do a simple experiment ... You need a drop timmer for falling objects because the free fall time for an inside object is too short ...

The physical quantities they measure fall into two categories ... Motion - Edexcel The movement of objects can be described using motion graphs and numerical values. These are both used to ...