Physics

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Across
  1. 2. A quantity without a direction
  2. 4. A force is applied at this angle but no work is done
  3. 5. A quantity with a direction
  4. 6. What you experience when a bus stops :)
  5. 7. It is done when a force moves an object
  6. 8. An object that has a force acting on it to start it moving
  7. 9. It is Useful work output/Total energy
Down
  1. 1. The gradient of a velocity time graph
  2. 3. Always acts against motion
  3. 4. ?=speed*muscular strength, give another equation for it