Pressure Calculation and Forces on Submerged Surfaces

This lecture covers the calculation of pressure in incompressible cases and isothermal gas situations, explaining the choice of reference points and units. It delves into manometry, discussing how pressure is measured using mercury columns. The lecture then focuses on calculating forces on submerged flat surfaces, emphasizing the importance of understanding the centroid and pressure distribution. The instructor introduces the concept of resultant force and discusses its application point on submerged surfaces. The lecture concludes by hinting at future topics, including calculating forces related to the Archimedes principle and transitioning to fluid dynamics.