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Conceptual Physics Alive: Gravity 1

Item # 99-0110

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Master teacher Paul Hewitt explains the inverse-square law and then relates it to the law of universal gravitation.

Please note: The digital content will be sent to the email provided during checkout, once your order has been processed. Order will be processed no later than the next business day.
Digital format: The email you will receive will contain a hyperlink to download a .ZIP file containing a digital video (.MP4) and questions set with answers (.PDF).
Notice: This digital content can be used in physical or remote classroom settings (e.g., Google Classroom, Canvas, etc.), or Homeschool. Replicating and distributing this digital content for profit without the authority of the copyright owner is an infringement of the copyright.
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$7.95
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$7.95
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Additional Details

Conceptual Physics Alive: Gravity 1 includes a digital video and questions set with answers.

Observe Paul Hewitt teach in a classroom with real students, using engaging demonstrations and artwork. In this video, the inverse-square law is explained and then related to the law of universal gravitation. Weight and weightlessness, the discoveries of the planets Neptune and Pluto, and the universality of gravitation are also discussed.

Gravity 1 Includes:

  • Hewitt begins with patterns that underlie music and the stars.
  • Gravitational equation explained with examples and questions.
  • Kepler's laws.
  • Demonstration of ellipse construction with string and tacks.
  • Inverse-square law analogy with light from a candle.
  • Questions to illustrate inverse-square law.
  • Weight.
  • Apparent weightlessness.
  • Hewitt steps off the table and drops the ball (in slow motion} to demonstrate the effects of weightlessness.
  • Apparent weightlessness of astronauts in a space shuttle.
  • Examples of weight at various planetary locations: Infinitely far. At surface of twice-as-massive planet. At surface if your mass doubles. Atop a ladder so you're twice as far from the earth's center.
  • Discovery of planet Neptune.
  • Von Jolly's determination of G.
  • Mass of planet earth.
  • Moon's monthly spin.
  • Being wrong and analogy of not falling while learning to roller skate.
  • Torque and center of mass-gravity explanation of why only one side of the moon faces Earth.

Next-Time Question: Which pulls harder on the oceans of the earth, the moon or the sun? (SEE RESOURCES TAB FOR MORE)

Please note: The digital content will be sent to the email provided during checkout, once your order has been processed. Order will be processed no later than the next business day.

Digital format: The email you will receive will contain a hyperlink to download a .ZIP file containing a digital video (.MP4) and questions set with answers (.PDF).

Notice: The Conceptual Physics Alive Digital content is protected by copyright laws. Replicating and distributing this digital content without the authority of the copyright owner is an infringement of the copyright. This digital content can be used in physical or remote classroom settings (e.g., Google Classroom, Canvas, etc.), or Homeschool.

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