Simple Machines

We had to create 4 simple machines and try to get the best Ima and percent effeciency that we could from those four machines.  We had to create the pulley, the inclined plane, the lever and the wheel and axel.  The objective was to put a box of nails on the machines and see which group  could get the highest amout of Ima and percent efficiency.

         Pulley (Joe Scotto)                                                                                                         Lever (Jason Solomon)


                                                
Inclined Plane (Jason Solomon)                                                   Wheel and axel (Joe Scotto)

My group came in dead last for almost every test except for one.  Our inclined plane was the only one that did not finish in last.  I was not there for most of the building and the testing.  So I was unable to accomplish much on any of these projects.   Noah's group came in first.  They ended up having the highest effiency and mechanical advantage. 

The measurments on our machines were not corrected and completely off.  This cause us not to get to much effeciency from our machines.  This caused them to not do as good as the other groups.  Our pulley also feel apart before the testing so we couldn't even see how well we had done on that.  If we were to do this again, we would need to do the measurments differently.  If we had gotten them correct it would have been a major differnece in our results.  I think with a little bit more practice we will be able to make simple machines to there full ability.