Across
- 4. The energy of motion
- 9. It can be in the form of potential energy, kinetic energy, or the sum of the two.
- 10. The energy due to the position of something.
- 11. If we push down, the load is lifted up. (device)
- 12. a wheel on an axle or shaft that is designed to support movement and change of direction.
Down
- 1. The total of energy never changes.
- 2. force x distance
- 3. The ratio of useful energy output over total energy input.
- 5. The unit of work
- 6. The amount of work done per the time it takes to do it.
- 7. joule/second
- 8. A device for multiplying forces or simply changing the direction of forces.