Across
- 2. the rate at which work is done; measured in watts (W)
- 4. the energy of a moving body
- 7. the unit of power
- 8. energy possessed by an object because of its position or structure also called store energy
- 11. the unit of work or energy
- 12. present in all substances as a result of the electrical forces that hold atoms together
- 15. energy stored in a stretched or compressed material such as a spring or elastic band
- 17. the potential energy possessed by an object due to its position above the ground
- 20. the energy transferred by a force that acts over a certain distance; measured in joules
- 21. a tendency to do nothing or to remain unchanged
Down
- 1. a course along which someone or something moves.
- 3. can be measured in kg
- 5. present in objects or groups of objects in which positively and negatively charged particles are separated
- 6. strength or energy as an attribute of physical action or movement
- 9. Potential energy stored within the nucleus of all atoms
- 10. energy may be transferred but is never created or destroyed
- 13. measured in Newtons
- 14. the action or process of moving or being moved.
- 16. a measure of the useful energy output of an energy transfer
- 18. push suddenly or violently in a specified direction
- 19. the strength required for sustained physical or mental activity