7th Grade Science Essentials Quiz
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Questions and Answers

What is the term for a force that causes an object's motion to change?

  • Static force
  • Unbalanced force (correct)
  • Balanced force
  • Net force
  • Which of the following best describes the relationship between speed and velocity?

  • They are the same thing
  • Velocity is always greater than speed
  • Velocity is the magnitude of speed
  • Speed is a scalar quantity while velocity is a vector quantity (correct)
  • According to Newton's first law of motion, an object will remain at rest or continue to move at a constant velocity unless:

  • It is in motion
  • It experiences an unbalanced force (correct)
  • It is accelerating
  • It experiences a balanced force
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