Newton's First Law of Motion
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Questions and Answers

What is the normal force acting on a box on a horizontal surface if its weight force is 200 N?

  • 200 N (correct)
  • 0 N
  • Cannot be determined
  • 100 N

    • What is the weight force of a box with a mass of 15 kilograms?

  • 150 N
  • 152 N
  • 147 N (correct)
  • 98 N

    • If the mass of an object is doubled, how does its weight force change?

  • It remains the same
  • It halves
  • It doubles (correct)
  • It quadruples

    • If an object is at rest on an inclined plane, what can be said about the forces acting on it?

    <p>The normal force is greater than the weight force</p> Signup and view all the answers

    If an object is in free fall near the surface of Earth, what can be said about the forces acting on it?

    <p>The normal force is zero</p> Signup and view all the answers

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