Simple Machines

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

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