1. Toaster Activator Andre Phinnessee David Woods James Rushford

2. Overview Materials Materials Purpose Purpose Final Product Final Product Demonstration Demonstration Summary of Energy Conversions Summary of Energy Conversions Conclusions Conclusions

3. Materials 1 Toaster 1 Toaster 1 Door Hinge 1 Door Hinge 1 2lb Weight 1 2lb Weight Several Screws Several Screws 6 L Brackets 6 L Brackets 1 Bolt 1 Bolt Various Pieces of Wood Various Pieces of Wood 1 Saw Washer 1 Saw Washer 2 Strings 2 Strings 1 Plastic Mesh Bag 1 Plastic Mesh Bag

4. Purpose This project’s main function is to make a device that will perform a simple task in three or more distinct steps. This project’s main function is to make a device that will perform a simple task in three or more distinct steps. Each step should be a demonstration of an energy conversion process which can be analyzed Each step should be a demonstration of an energy conversion process which can be analyzed

5. Demonstration 1 st the screw is released from the top of the wooden piece. 1 st the screw is released from the top of the wooden piece. 2 nd the screw hits the saw washer which starts it to roll down the ramp. 2 nd the screw hits the saw washer which starts it to roll down the ramp. 3 rd the saw washer travels down the ramp and hits the door-hinge which is attached to a wooden lever. 3 rd the saw washer travels down the ramp and hits the door-hinge which is attached to a wooden lever. 4 th once the door-hinge is hit, it triggers the wooden lever which in turn allows the 2lb weight to drop on the switch of the toaster. 4 th once the door-hinge is hit, it triggers the wooden lever which in turn allows the 2lb weight to drop on the switch of the toaster. 5 th Toaster begins to heat your toast. 5 th Toaster begins to heat your toast.

6. Final Product

7. Summary of Energy Conversions Mw = 0.449618 lbs Mn = 0.05620 lbs – 3in. Mw = 2lbs Nut : mgh=.5mv^2 32.2ft/sec^2(1ft/12in)(3in)=.5v^2 32.2ft/sec^2(1ft/12in)(3in)=.5v^2 v=4.012 ft/sec v=4.012 ft/sec 1 st Drop: 2.25in. mgh=.5mv^2 mgh=.5mv^2 32.2ft/sec^2(1ft/12in)(2.25in)=.5v^2 32.2ft/sec^2(1ft/12in)(2.25in)=.5v^2 v=3.475 ft/sec v=3.475 ft/sec 2 nd Drop: 6.375in 32.2ft/sec^2(1ft/12in)(6.375in)=.5v^2 32.2ft/sec^2(1ft/12in)(6.375in)=.5v^2 v=5.847 ft/sec v=5.847 ft/sec Ramp 2 : 5 in. 32.2ft/sec^2(1ft/12in)(5in)=.5v^2 32.2ft/sec^2(1ft/12in)(5in)=.5v^2 v=5.180 ft/sec v=5.180 ft/sec Weight Drop: 6 in. 32.2ft/sec^2(1ft/12in)(6in)=.5v^2 32.2ft/sec^2(1ft/12in)(6in)=.5v^2 v=5.675 ft/sec v=5.675 ft/sec

8. Conclusions A Rube-Goldberg device can be constructed to do basically anything that you want it to do. The possibilities are endless. A Rube-Goldberg device can be constructed to do basically anything that you want it to do. The possibilities are endless. This project was hard work but having a team and being able to split tasks made it much easier. This project was hard work but having a team and being able to split tasks made it much easier. This project subjected several tasks. This project subjected several tasks. 1. Working with people you did not know. 1. Working with people you did not know. 2. Learning how to work with what you have available. 2. Learning how to work with what you have available. 3. Learning how to take advantages of useful resources. 3. Learning how to take advantages of useful resources. 4. Finding out who is best at what in order to get the quickest results. 4. Finding out who is best at what in order to get the quickest results.

9. The TEAM