Newton's Universal Law of Gravitation
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Questions and Answers

What is the weakest of the four basic forces found in nature?

  • Gravity (correct)
  • Weak nuclear force
  • Strong nuclear force
  • Electromagnetic force

    • Who was the first scientist to precisely define the gravitational force?

  • Sir Isaac Newton (correct)
  • Albert Einstein
  • Galileo Galilei
  • Nikola Tesla

    • What did Galileo Galilei contend about falling bodies and planetary motions?

  • Falling bodies caused planetary motions
  • They were unrelated phenomena
  • Planetary motions caused falling bodies
  • They had the same cause (correct)

    • What is the force that acts at a distance, without physical contact?

    <p>Gravity</p> Signup and view all the answers

    What did Sir Isaac Newton explain with his precise definition of gravitational force?

    <p>Both falling bodies and astronomical motions</p> Signup and view all the answers

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