A bit more on energy

This article is a short continuation on the previous introduction to work and energy. To understand this article, you will need at least a basic understanding of the following concepts: Variable force In the work and energy article we saw that work is defined as But this only holds if the force is constant over … Read more

Work and energy

To understand this article, you will need at least a basic understanding of the following concepts: Throwing tennis balls Imagine a tennis court in outer space. You and your friend are standing at opposite ends of the court (with magnetic shoes or something… don’t think too much about it). You have a tennis ball in … Read more