Work

Work

Work is applying a force to an object, causing it to move in the direction of the applied force. In physics, work is only done when there is movement in the direction of the force. Work is measured in joules (J) and depends on force and distance. For example, lifting a box off the ground in...

You might think that studying hard for a test is a lot of work. But in physics, the sad reality is - it's not considered work.

Your brain is working hard, but you're not applying force to move an object.

In physics, work is done only when a force is used to move something.

Now, let's look at an example. Imagine playing flag f...