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Centre of Mass of a Glass of Water
Which has the lower centre of mass out of an empty vs half-full vs full glass of water? How about the same question with a beaker instead? Or with a can, with a lid? PDF here.
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Circular Motion Intro
A good introductory task to considering circular motion. Students estimate radii, velocities and forces of everyday examples of circular motion. PDF here.
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Masses and Springs Lab
A great external website demonstration of the conversions between GPE, KE and EPE and remaining constant as a whole.
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Vertical Circles
A one page set of notes on circular motion and the energy forces involved in vertical circles. PDF here.
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