Motion and Forces Review

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Across
  1. 2. If an object is speeding up, the acceleration and velocity have the ________ signs.
  2. 6. ____________ is the rate of change of velocity.
  3. 8. Newton's __________ law of motion states that for every "action" force there is an equal but opposite "reaction" force.
  4. 10. An object has an acceleration of 1 m/s². If the object is traveling at a velocity of 25 m/s, what will its new velocity be after 5 seconds with this acceleration? (Type the number out)
  5. 11. An object is undergoing an acceleration of 3 m/s². If the net force acting on the object is 30 N, what is the object's mass in kg? (Type the number out)
  6. 12. A ________ is a quantity with just a magnitude.
  7. 15. ___________ is the distance and direction of an object's change in position from the starting position.
  8. 16. A ________ is a quantity with both a magnitude and a direction.
  9. 18. Acceleration occurs when an object changes its speed, ________________, or both.
  10. 19. ___________ describes the speed and direction of a moving object.
Down
  1. 1. Newton's ______ law of motion states that the motion of an object changes only if an unbalanced force acts on it.
  2. 2. __________ equals distance divided by time.
  3. 3. ____________ equals mass x velocity
  4. 4. Newton's __________ law of motion gives the formula that force = mass x acceleration.
  5. 5. __________ is the tendency of an object to resist any change in its motion.
  6. 7. The SI unit for force is __________.
  7. 9. ___________ is the total length an object has traveled.
  8. 13. An object with a mass of 25 kg is traveling with a velocity of 0.20 m/s. What is its momentum in kg x m/s? (Type the number out)
  9. 14. If an object is slowing down, the acceleration and velocity have ___________ signs.
  10. 17. An object traveled 10 meters in 5 seconds. What is its speed in m/s? (Type the number out)