Newton: A Tale of Two Isaacs: Sir Isaac and The Apple
00:00:08 - 00:02:07
  • Physics → Gravity → Introduction to Gravity
  • Physics → Classical Mechanics → Newton's Law of Universal Gravitation
  • History → Age of Enlightenment → Isaac Newton

Sir Isaac Newton ponders why the planets orbit the sun and what allows them to maintain that orbit. Very soon after he sits down under an apple tree, Humphrey bangs his head against one of the limbs, causing an apple to fall on Newton's head. It is at this moment that Isaac Newton has an epiphany and starts to develop the concept of gravity.

Public Discussion Questions


  1. Why would Newton's idea of gravity seem like a "bit of a stretch" to Humphrey?
  2. What are some possible factors that might influence the force of gravity between two objects?
  3. What is (the force of) gravity? Do all objects have gravity? What might determine whether or not something has gravity?

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Standards


This clip is associated with the following standards:
  • Next Generation Science Standards
    Support an argument that the gravitational force exerted by Earth on objects is directed down.
  • Texas Essential Knowledge and Skills - Social Studies
    identify major causes and describe the major effects of the following important turning points in wo...
  • Texas Essential Knowledge and Skills - Social Studies
    describe the origins of the Scientific Revolution in 16th century Europe and explain its impact on s...
  • Texas Essential Knowledge and Skills - Social Studies
    identify the contributions of significant scientists such as Archimedes, Copernicus, Eratosthenes, G...

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