Simple Machines
par Emma Carranza

1. Work
1.1. The scientific definition of work is: using a force to move an object a distance.
1.2. force being applied to an object.
1.3. Joules
1.4. W = F*D
2. 1st class levers
2.1. fulcrum placed between the load and the effort, as in the seesaw, crowbar, and balance scale.
2.2. seesaws
2.3. A simple machine because it is a work that can be used without no machine
3. Incline Planes
3.1. a flat supporting surface tilted at an angle, with one end higher than the other, used as an aid for raising or lowering a load.
3.2. A ramp
3.3. It is a simple machine because it takes work
4. Wedge
4.1. a piece of hard material with two principal faces meeting in a sharply acute angle, for raising, holding, or splitting objects by applying a pounding or driving force, as from a hammer
4.2. an axe
4.3. it relates to it because it is a handy type of work and uses no machine
5. Screw
5.1. a simple machine of the inclined plane type consisting of a spirally grooved solid cylinder and a correspondingly grooved hollow cylinder into which it fits
5.1.1. A screw