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Applying Newton's first law to answer some true/false statements about why objects move (or not).
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Why do astronauts appear weightless despite being near the Earth?
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Figuring out the acceleration of ice down a plane made of ice.
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Basics of gravity and the Law of Universal Gravitation.
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An elaboration on how to use Newton's second law when dealing with multiple forces, forces in two dimensions, and diagonal forces.
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An elaboration on some of the common misconceptions in dealing with Newton's Third Law. He also shows how to correctly and reliably identify Third Law force pairs.
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This unit is about how things move along a straight line or, more scientifically, how things move in one dimension. Examples of this would be the movement (motion) of cars along a straight road or of trains along straight railway tracks.
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Basic primer on Newton's First Law of motion.
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Newton's Laws of Motion