Problem 1. Answer each question in no more than three sentences (5 pts each) 1. What is the fundamental difference between a solid and a fluid? 2. Give two mechanisms to obtain liquid from a vapor. 3. Under the same temperature, is the vapor pressure of air greater than the vapor pressure of water? a X 4. Which fluid is more compressible, fluid A with a bulk modulus of 2.25 x 10 N/m? or fluid B with a bulk modulus of 1.4 x 10% N/m2? Why? 5. What is a no-slip boundary? 6. What physical mechanism creates surface tension