Across
- 3. devices with many moving parts that are used to modify motion and force in order to perform work, such as levers, pulleys, wedges, and screws
- 4. time rate of doing work or delivering energy
- 5. the measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is applied in the direction of the displacement
- 7. simple machine used to amplify physical force, that uses large and small gears attached to the same shaft like a steering wheel
- 9. a long triangular shaped simple machine used to spread the amount of work over a long distance such as a wheelchair ramp
- 10. a simple machine used to lift very heavy objects. Such as a car jack or see-saw
Down
- 1. device, having a unique purpose, that augments or replaces human or animal effort for the accomplishment of physical tasks using simple machines
- 2. devices with few or no moving parts that are used to modify motion and force in order to perform work, such as levers, pulleys, wedges, and screws.
- 5. a long triangular shaped simple machine used to spilt or lift objects
- 6. a simple machine used to pull objects up using a string and a wheel
- 8. a long simple machine with spiraling curves used to hold things together