Physics Quiz 5

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Across
  1. 2. The Force that results when a wing shape moves through fluid. Acts perpendicular to the velocity.
  2. 6. the force a rigid surface returns in response to an applied force.
  3. 9. Buoyant Force -- the force of _______. Acts opposite to Gravity. Occurs when an object or substance is in or on a fluid of greater density.
  4. 10. ?=mc^2
  5. 13. A(n) _________ causes acceleration.
  6. 16. # of fundamental forces
  7. 18. The reaction force expelling exhaust through a nozzle.
  8. 21. Mass has to be _________ in order to turn it to light.
Down
  1. 1. causes internal stresses and strains (tension and compression).
  2. 3. The reluctance to accelerate.
  3. 4. If all forces are balanced.
  4. 5. Tension-- a balanced force caused by ________ on both ends of a member or cable.
  5. 7. Mass measure the amount of ________.
  6. 8. ?=mg
  7. 11. something with mass and volume.
  8. 12. Mass causes _______ and had weight (near other mass).
  9. 14. Mass is ______.
  10. 15. Compression -- a balanced force caused by the _______ on both ends of a member.
  11. 17. a push or a pull
  12. 19. He discovered Inertia through The Inclined Plane Experiment.
  13. 20. The force of gravity.