Simple Machines

3. machine a machine with many simple machines
5. a supposition or a system of ideas
9. advantage the ratio of the force produced by a machine to the force applied to it, used in assessing the performance of a machine.
11. force resistance force is the which an effort must overcome in order to do work on object via a simple machine
12. machine any of the basic mechanical devices for applying a force, such as an inclined plane, wedge, or lever
14. strength or energy as an attribute of physical action or movement.

1. force effort force is applied at one point on the lever in order to move an object
2. variable a variable (often denoted by x ) whose variation does not depend on that of another.
4. horizontal axis of a system of coordinates
6. vertical axis of a system of coordinates
7. the point on which a lever rests or is supported and on which it pivots.
8. a guess
10. activity involving mental or physical effort done in order to achieve a purpose or result.
13. a rule