Physics

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Across
  1. 2. the speed of something in a given direction
  2. 6. any event in which two or more bodies exert forces on each other in a relatively short time
  3. 10. the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision
  4. 12. a force that starts a body into motion
Down
  1. 1. part of the kinetic energy is changed to some other form of energy in the collision
  2. 3. there is no loss of kinetic energy in the collision
  3. 4. the impulse an object experiences during a collision is equal to its change in momentum
  4. 5. The property of any rotating object given by moment of inertia times angular velocity
  5. 7. ability of a deformed material body to return to its original shape and size when the forces causing the deformation are removed
  6. 8. the quantity of motion of a moving body
  7. 9. a quantity that has both magnitude and direction
  8. 11. the amount of matter or substance that makes up an object