Across
- 1. A type of lever that is a wheel with a groove in its rim.
- 5. The pivot point of a lever.
- 7. A device for increasing (or decreasing) a force.
- 9. The SI unit of power
- 13. The SI unit of work and of all other forms of energy.
- 14. Energy of position.
- 15. Energy of motion.
Down
- 2. Energy cannot be created or destroyed.
- 3. The ratio of useful energy output to total energy input.
- 4. The ratio of output force to input force.
- 6. Property of an object or a system which enables it to do work.
- 8. The energy due to the position or the movement of something.
- 10. Rate at which work is done.
- 11. The product of the force on an object.
- 12. A simple machine.