Simple Machines
Across
- 2. a scientific idea with evidence
- 6. the manipulated variable
- 7. a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation
- 8. a statement of fact, deduced from observation, to the effect that a particular natural or scientific phenomenon always occurs if certain conditions are present
- 10. the horizontal axis
- 11. force or input force
- 12. a mechanical device that changes the direction or magnitude of a force
- 15. Often, the _________ force is the force of gravity
- 16. any push or pull that makes an object start moving, stop moving, speed up, slow down, or change direction
Down
- 1. A machine consisting of two or more simple machines operating together
- 3. the force placed on the simple machine to move the load. Also called
- 4. the measured variable
- 5. a measurement of the force amplification of a machine
- 9. the vertical axis
- 13. the point on which a lever rests or is supported and on which it pivots
- 14. activity involving mental or physical effort done in order to achieve a purpose or result