This is a closed book personal exam designed for completion within the class period. Answer the questions in the space provided. Should you need additional room to write, use the back of the page.
Legible quality is more important than quantity.
Turn the exam into the CO upon completion. When two solids are placed in contact, under even a small amount of pressure, frictional forces tend to prevent their relative motion. Name two of the three different types of frictional forces and explain the difference. Continues even when relative motion exists between the contact faces. Primary cause of friction between finely machined surfaces.