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One of the most simple and handy tricks in physics is keeping track of your units and knowing how they convert into other units. It can help confirm youíre using the right equation and doing it correctly when the units will often cancel out or convert to the units you are after. If they donít check your working.

 Because of the independence of forces along the x and y axis, it is very important to learn how to draw force diagrams and also to calculate how to use these. It can be difficult to get it right, but after practice of the basics, more and more difficult tasks can be accomplished using force diagrams.