One of the most important topics taught at the start of introductory physics is the idea of vectors. Students really need proficiency with them if they are to use force and momentum. Just about every ...

In this case on an object on a slope, the weight is a single force that can be resolved into two independent components: A 10 kg box slides down a frictionless slope. The slope is at 30° to the ...

pre-reqs: trig Think of the following two things. Temperature and wind speed. These are two different things that you could measure, but there is one big difference. Wind speed has two parts to it - ...