Gears

This week, we have been learning about gears. Gears are basically wheel and axles but they have teeth. You can find a gear in a bike. There are two different types of gears, diver and driven. To find them mechanical advantage you would divide the driver gear to the driven gear. Some people only think Read More…

Lever

Today, I finished my lever project. I made a catapult. The length of the effort arm was 2 9/16 inches. The length of the load arm was 1 1/4 inches. The mechanical advantage was 2.05. I tested the catapult by launching marbles from the kitchen doorway. They went pretty far (approximately to the entrance of Read More…

FabMaker Studio

Today I tried to learn a new tool called FabMaker Studio. It is a website were you experiment with objects which will be folded into the final product. In FabMaker Studio I made a cube. It looked just like a cube. I think I did very good. I think that this a great tool to Read More…

Truss Bridges

Today, I finished my truss bridge project. I compared my truss bridge to a cube. A cube easily fell because its angles are not locked in. When I tested the cube by putting a notebook on top of it, I saw the cube change shape into a parrelagram and crumpled like it was supposed to. Read More…