MS Physical Ch. 13

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Across
  1. 1. Momentum is a property of __________ objects
  2. 6. If an object is at rest, it will tend to stay at rest because of
  3. 7. When a driver checks her speedometer, she is checking _______________ speed
  4. 8. Velocity includes _________ and direction
  5. 10. When a car accelerates, it changes speed and _______________
  6. 11. Change in position is called
  7. 12. What kind of force will a stack of magazines exert on a table?
  8. 14. Which of Newton's laws describes action-reaction forces?
  9. 15. The average speed of a car that travels 500 km in 5 hours is one _________ km/h
Down
  1. 2. For every force there is an equal and ___________ reaction force
  2. 3. Which law of motion explains how inertia affects moving and nonmoving objects?
  3. 4. One ________ is equal to 1 kg-m per second per second
  4. 5. A moving object will continue moving in a straight line unless it is acted upon by an ___________ force
  5. 8. Which of Newton’s laws of motion states that an unequal force acting on an object is equal to the mass of the object times its acceleration?
  6. 9. The starting speed of a truck is called ________ speed
  7. 13. Force is measured in ______ (units)