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Lamore, Brian – Physics Teacher, 2016
For years the fan cart has provided physics students with an excellent resource for exploring fundamental mechanics concepts such as acceleration, Newton's laws, impulse, momentum, work-energy, and energy conversions. "The Physics Teacher" has even seen some excellent do-it-yourself (DIY) fan carts and activities. If you are interested…
Descriptors: Physics, Science Instruction, Mechanics (Physics), Motion
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Tarnopolski, Mariusz – Physics Teacher, 2015
Let us consider a classical high school exercise concerning two weights on a pulley and a string, illustrated in Fig. 1(a). A system like this is called an Atwood's machine and was invented by George Atwood in 1784 as a laboratory experiment to verify the mechanical laws of motion with constant acceleration. Nowadays, Atwood's machine is used for…
Descriptors: Science Instruction, Secondary School Science, High Schools, Mechanics (Physics)