Forces

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Across
  1. 3. the pulling force on the rope in a tug of war
  2. 4. forces are measured with a
  3. 6. a force can be a push or a...
  4. 7. the amount of 'stuff' things are made of, kg
  5. 9. a charged object experiences a force in this field
  6. 11. water and air resistance are ____ forces
  7. 12. a non-contact force
  8. 13. air resistance is a _______ force
Down
  1. 1. which law states that if you double the force on a spring the extension will also double
  2. 2. weight is measured in
  3. 5. if the forces acting on an object are balanced the object is in
  4. 8. this depends on the gravitational field strength
  5. 10. a spring will return to its original length unless it goes beyond this limit