Khan Academy on a Stick
Gravitation
Classical gravity. How masses attract each other (according to Newton).
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Introduction to Gravity
ccBasics of gravity and the Law of Universal Gravitation
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Mass and Weight Clarification
ccDifference between mass and weight
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Gravity for Astronauts in Orbit
ccWhy do astronauts appear weightless despite being near the Earth?
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Would a Brick or Feather Fall Faster
ccWhat would fall faster on the moon?
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Acceleration Due to Gravity at the Space Station
ccWhat is the acceleration due to gravity at the space station
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Space Station Speed in Orbit
ccSpeed necessary for the space station to stay in orbit
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Introduction to Newton's Law of Gravitation
ccA little bit on gravity
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Gravitation (part 2)
ccA little bit more on gravity
Newton's law of gravitation
Why are you sticking to your chair (ignoring the spilled glue)? Why does the earth orbit the sun (or does it)? How high could I throw my dog on the moon? Gravitation defines our everyday life and the structure of the universe. This tutorial will introduce it to you in the Newtonian sense.