Physics Concepts
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Questions and Answers

What is the SI unit of velocity?

  • Kilogram (kg)
  • Newton (N)
  • Meter per second (m/s) (correct)
  • Joule (J)
  • Which of the following best defines mass in physics?

  • The amount of matter in an object (correct)
  • The speed at which an object moves
  • The force exerted on an object
  • The distance an object travels
  • Which of the following is a correct statement about speed and velocity?

  • Speed and velocity are both vector quantities
  • Speed is a vector quantity, while velocity is a scalar quantity
  • Speed is a scalar quantity, while velocity is a vector quantity (correct)
  • Speed and velocity are both scalar quantities
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