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Category Archives: How do things move without contact?
Electric Fields: Crash Course Physics
Posted in How do things move without contact?, Unit 3, Videos
Tagged Charge, Electric Fields
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Veritasium – Why Gravity is NOT a Force
The General Theory of Relativity tells us gravity is not a force, gravitational fields don’t exist. Objects tend to move on straight paths through curved spacetime.
Posted in How do things move without contact?, Unit 3, Videos
Tagged Gravity, Relativity
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Fire in ZERO-G!!
Posted in How do things move without contact?, How is motion understood?, Unit 2, Unit 3, Videos
Tagged Veritasium
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Three Right Hand Rules of Electromagnetism – Magnetic Force
Teaching electricity and magnetism is complicated by the challenge that the magnetic forces are perpendicular to the motion of the particles and currents. This requires a three-dimensional perspective which can introduce a variable of a “wrong” direction. To prevent errors, … Continue reading
Charges & fields observations
https://phet.colorado.edu/sims/html/charges-and-fields/latest/charges-and-fields_en.html This great learning object from PhET is great tool for discussion in the Physics classroom, as well as a powerful simulation of actual values. Here are three interesting screen shots that can be used as basis for discussions. This … Continue reading
Professor Dave – Electric Charge and Electric Fields
Posted in How do things move without contact?, Unit 3, Videos
Tagged Electric Fields
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Veritasium – Why Are Astronauts Weightless?
Posted in How do things move without contact?, Unit 3, Videos
Tagged Gravity, satellites, Veritasium
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How Do Satellites Get & Stay in Orbit?
SciShow Space takes you into Low Earth Orbit to explain how artificial satellites get up there and stay there — at least for a while.