Physical science - Energy

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Across
  1. 3. To strike or hit something with any amount of force
  2. 5. The rate of change of position with respect to time
  3. 6. A group of interacting, interrelated, or interdependent elements forming a complex whole
  4. 9. The ability of a system to do work
  5. 10. A straight path that an object can move along
Down
  1. 1. SI unit of energy
  2. 2. A change in motion caused by an unbalanced force acting on an object
  3. 4. A measure of how much matter is present in a substance
  4. 7. A push or pull that can change the motion of an object
  5. 8. SI unit of force