Across
- 2. The point on which a lever rests or is supported and on which it pivots
- 5. Educated guess
- 8. advantage The ratio of the force produced by a machine to the force applied to it
- 9. Horizontal axis of a system of coordinates
- 10. variable The variable that the experimenter changes to test their dependent variable
- 13. machine A machine consisting of two or more simple machines operating together
- 14. Using a force to move an object a distance
Down
- 1. force The force required by a machine in order to accomplish work
- 3. force The force which an effort force must overcome in order to do work on an object
- 4. machine The basic mechanical devices for applying a force
- 6. Vertical axis of a system of coordinates
- 7. Strength or energy as an attribute of physical action or movement
- 11. variable What you measure in the experiment and what is affected during the experiment
- 12. Ideas intended to explain something with facts backed up