Final answer:
Hydrostatic forces with a semi-circle involve volume calculation, pressure distribution analysis, and buoyancy assessment in physics.
Step-by-step explanation:
The subject of this question is Physics. Specifically, the question relates to the concept of hydrostatic forces and their application to a semi-circle.
The options given in the question are not correct descriptions of the subject matter. In hydrostatic forces with a semi-circle, the main areas of study would include:
- Volume calculation: This involves determining the volume of the fluid, which can be done by integrating the cross-sectional area of the semi-circle over its height.
- Pressure distribution analysis: This entails analyzing how the pressure varies throughout the fluid in the semi-circle, which can be calculated based on the height and density of the fluid.
- Buoyancy assessment: This refers to understanding how the semi-circle, or an object submerged in the fluid, experiences an upward force called buoyant force due to the pressure difference between the top and bottom surfaces.