1. The tank car dilemma

2. Railroad car implosion After being steam cleaned a tanker was closed up and left for the night. It rained and something happened………. After being steam cleaned a tanker was closed up and left for the night. It rained and something happened………. http://www.youtube.com/watch?v=Zz95_VvT xZM http://www.youtube.com/watch?v=Zz95_VvT xZM

3. The drawing. Draw a force diagram that includes all forces including pressure. Label the forces Make sure that you use arrow to show direction of forces.

4. The lab Your table must develop a way to model this occurrence. You may use the following equipment: – Water (to create steam), pop can, heating element, thermometer, and tongs to lift can – You must write this up as a formal lab write up, writing up your procedure, hypothesis, and a conclusion that explains the physics of what occurred.