$9\mathrm{.}99$#$-("$What are the fundamental principles governing fluid flow in civil engineering? How do factors like viscosity, density, and velocity influence fluid behavior? Explain the concept of pressure and its significance in hydraulic systems. How do engineers calculate pressure in fluid mechanics applications? Discuss the concept of buoyancy and its role in designing structures like dams and bridges. How do engineers ensure stability and structural integrity while accounting for buoyant forces? Explore the basics of soil mechanics and its importance in foundation design. How do soil properties affect the stability of structures?"