Gravitational Forces Quiz

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Questions and Answers

Who recognized the fact that all bodies are accelerated towards the earth with a constant acceleration?

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

What is the universal law of gravitation?

  • The law that states that all objects are attracted to each other with a force that is directly proportional to the square of their masses and inversely proportional to the distance between them
  • The law that states that all objects are attracted to each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them (correct)
  • The law that states that all objects are attracted to each other with a force that is directly proportional to the product of their masses and inversely proportional to the distance between them
  • The law that states that all objects are attracted to each other with a force that is directly proportional to their masses and inversely proportional to the distance between them

What are Kepler's laws?

  • Laws that describe the motion of planets around the sun (correct)
  • Laws that describe the motion of objects on Earth
  • Laws that describe the motion of objects in water
  • Laws that describe the motion of objects in space

What is the gravitational constant?

<p>A constant that determines the strength of the gravitational force between two objects (C)</p> Signup and view all the answers

What is the acceleration due to gravity on Earth?

<p>9.8 m/s^2 (D)</p> Signup and view all the answers

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