Newton's Laws of Motion Quiz
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Questions and Answers

According to Newton's first law of motion, what happens to a body when no force is acting on it?

  • It moves in a circular path
  • It accelerates in the direction of the net force
  • It remains at rest or in constant motion in a straight line (correct)
  • It changes its mass
  • What does the net force on a body equal to, according to Newton's second law of motion?

  • The body's momentum divided by its mass
  • The body's mass divided by its acceleration
  • The body's acceleration multiplied by its mass (correct)
  • The body's velocity multiplied by its mass
  • In Newton's third law of motion, if two bodies exert forces on each other, what can be said about these forces?

  • They have the same magnitude and same direction
  • They have the same magnitude but opposite directions (correct)
  • They have different magnitudes and opposite directions
  • They have different magnitudes and same direction
  • When were the three laws of motion first stated by Isaac Newton?

    <p>In his Philosophiæ Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy) in 1687 (B)</p> Signup and view all the answers

    What is necessary when objects move at very high speeds, are very massive, or are very small, according to the text?

    <p>New theories are necessary (special relativity, general relativity, or quantum mechanics) (A)</p> Signup and view all the answers

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