Physics ch1-7

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Across
  1. 1. what is mass times gravity?
  2. 2. extension per unit length
  3. 4. done what is energy transferred called ?
  4. 7. What is the si unit of force
  5. 8. what is the si unit of distance
  6. 9. what is the name for upward force in a liquid or gas caused by pressure in the gas or liquid ?
  7. 10. the normal or perpendicular force acting per unit cross-sectional area
  8. 12. what is the name for an increase in length of a material from its original length
  9. 14. of device is the rate at which it does work per unit of time what is power?
  10. 15. what do you call a force that resist movement of a body through a fluid
  11. 17. what do you call force at right angle to a surface when in contact
  12. 18. what do is the name for a pair of forces that is equal but opposite forces acting on an object that rotates only ?
  13. 19. force associated with tension or pulling
Down
  1. 1. one watt is one joule per second
  2. 3. collision where kinetic energy is not conserved
  3. 5. what is the si unit of mass
  4. 6. What is a turning effect of a couple called
  5. 11. what is a quantity that has magnitude and direction?
  6. 13. what do you call speed with direction?
  7. 16. what do you call the rate of change of displacement