Q.3 (a) Explain the condition of stability for floating and submerged body. (b) Define - (c) 1. Buoyant force 2. Center of buoyancy 3. Metacenter 4. Metacentric height A wooden block having a horizontal cross section 600 mm x 600 mm and height h. If floats vertically in water. Determine maximum height of the block so that it can remain in stable condition. Consider specific gravity of wood as 0.6. OR Q.3 (a) Define and explain circulation? What is the importance of concept of circulation? (b) Sketch the velocity distribution and shear stress distribution across a section of the pipe for laminar flow. (c) Check whether the flow of liquid given by u = 5x and v = -5y is (i) Continuous (ii) Rotational