How fast does a tray have to move so that a cup of water won't fall?
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This rocket uses pressurized water as a propellant!
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The consequences of forces around a pivot and its critical angle are explored.
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Read more: What is the Centre of Rotation of a Rolling Wheel?
Two balls in freewill, one vertically and one show horizontally to the side. Which lands first?
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The consequences of forces around a pivot and its critical angle are explored.
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