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Nelson, Jane Bray – Physics Teacher, 2012
As a new physics teacher, I was explaining how to find the weight of an object sitting on a table near the surface of the Earth. It bothered me when a student asked, "The object is not accelerating so why do you multiply the mass of the object by the acceleration due to gravity?" I answered something like, "That's true, but if the table were not…
Descriptors: Physics, Scientific Concepts, Science Instruction, Computation