1. Work is when an object moves in the same direction that the force pushing it does.
2. Work is done only if the objects motion is going in the same direction of the forces direction.
11/22/10
Mechanical Advantage is how you change a machine to make a task easier. For example a movable pulley has a mechanical advantage of 2, because it's making it easier to lift the weight.
11/29/10
Today we worked on our sketch for our Rube Goldberg. It is coming quite well. We finished the sketch to make the final product will have a ball going through a basketball hoop.
11/29/10
Today we collected the materials for the Rube Goldberg. We also collected potential materials.
12/1/10
Today we started the final copy sketch, we also started putting together our rube goldberg, finishing the incline plane and planning what to use and how to put together the rest.
12/3/10
Today we have built more than we usually do, we hot glued the inclined plane to it's stand and we started the pulley, but it's still not exactly right on target, we plan to fix that later.
12/7/10
Today we finished tweaking the pulley, so now the car falls into the cup almost every time.
12/9/10
Today we started working on our Rube Goldberg somewhat late in class, we only got to putting up the lever, and fixing it.
12/13/10
Today, we came in for resource and finished our Rube Goldberg, we added the domino plank and put the spiral on the end.
