![]() ![]() However, if we are interested in the direction the object of interest has moved in - and let's face it, direction is a pretty important part of sport - then we'd refer to it as velocity. If we're not worried about the direction the object of interest has moved in then we can refer to the result as speed. So, hopefully we all know that if you know how far something's moved and you know how long it took to move that we can calculate its speed? Essentially, we take how far it's moved and divide it by how long it took to move. Of course, I appreciate that maths (yes, I'm English - we invented the language and that's what we call it) isn't necessarily everyone's cup of tea, but don't fret, I'm no mathematician so I'll do my best to take the worst of the sting out of the following explanation. Now, if you've learned anything from my blog posts it's the power of understanding where your data comes from and it's because of the three points I just listed that I think it's important that you understand how we get velocity from force. The work performed and the power achieved by moving it.How then, can we go from knowing how hard something is pushed or pulled to knowing how fast it moves? Well, this is an important question because being able to calculate how fast something moves lets us calculate the following. ![]() We also know that force is how hard you push or pull something. : Added Perfect Card Shuffling (In Fun Stuff).So, we now know that we can get an awful lot of fascinating and useful information from simple tests performed on a force plate measurement system. : Added Image Formation with Convex Lenses (In Light). : Added Electron Charge to Mass Ratio Lab (In Electricity and Magnetism). Please feel free to use any of the content on this site for non-profit educational purposes. To browse or search for pre-made math and physics simulations (including those used on this site) and for more information about the software please visit their website: Permissions GeoGebra is a free program that makes it very easy to create animations and simulations for anyone with a good understanding of math or physics. Most of the animated illustrations and all of the interactive simulations on this site were created using the wonderful GeoGebra software. Please click my name above to send me feedback about these simulations or suggestions for new simulations I could create. I retired after teaching high school physics for 27 years, and AP Physics for 25 years. Content will be added as time allows.Īll of the content on this site was created by me, Tom Walsh. It is a work in progress, and likely always will be. The oPhysics website is a collection of interactive physics simulations. Select a simulation from one of the above categories or click on a category to see descriptions of the simulations for that category.
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