The principles of buoyancy, also known as Archimedes' principle, state that anything that is completely or partially immersed in a fluid (gas or liquid) is at rest is subject to the action of an ascending or floating force. , force whose magnitude is equal to the weight of the fluid displaced by the object. The volume of fluid displaced is equivalent to the volume of an object fully immersed in a fluid or the fraction of the volume below the surface for an object partially immersed in a liquid. The weight of the displaced portion of the fluid is equivalent to the magnitude of the buoyant force. The thrust force exerted on an object floating in a liquid or gas is also equivalent in magnitude to the weight of the floating object and is in the opposite direction; the object does not rise or sink. Say no to plagiarism. Get a tailor-made essay on “Why Violent Video Games Should Not Be Banned”? Get the original essay Density is why some objects float in a liquid and others sink. Water has a density of 1 g/cm3. If an object floats in water, it means it has a density less than 1 g/cm3. If an object sinks in water, its density is greater than 1 g/cm3. The buoyancy of an object is its tendency to float or rise in a liquid. An object that floats in water is said to have positive buoyancy because its density is less than that of the fluid in which it floats. A sinking object has negative buoyancy because it has a higher density than the fluid in which it floats. To determine the buoyancy of an object, the density of an object is necessary. Density is defined as the mass of an object per unit volume. Density can be increased by decreasing the volume of an object. The three states of matter, solid, liquid and gas, have different properties in terms of volume. Solids and liquids both have defined volumes, while gases do not. The particles of a solid are compacted and in a pattern. Particles in a liquid are compacted but are not arranged in a pattern. The particles of a gas are not compacted and are not arranged in a pattern. Pressure is defined as the continuous physical force exerted on or against an object by something in contact with it. In the mid-1600s, Robert Boyle studied the relationship between pressure and volume of a gas held at constant temperature. Boyle's law describes the relationship between pressure and volume of a fixed quantity of gas at a constant temperature. Keep in mind: this is just a sample. Get a personalized article from our expert writers now. Get a Custom Essay The law shows that the product of pressure and volume are observed to be almost constant. The product of pressure and volume is defined as a constant for an ideal gas. The formula is pressure*volume = constant. There are some concrete examples of Boyle's Law. For example, when you quickly open a bottle of soda, sometimes it fizzes and spills out of the bottle. This is due to the carbonation of soda and changes in volume and pressure inside the bottle. The ideal gas law states that the volume (V) occupied by n moles of any gas has a pressure (P) at a temperature (T) in Kelvin. Works Cited Halliday, D., Resnick, R. and Walker, J. (2013). Fundamentals of Physics (10th ed.). Wiley. Serway, R.A. and Jewett, J.W. (2013). Physics for Scientists and Engineers with Modern Physics (9th ed.). Cengage Learning. Cutnell, J.D. & Johnson, K.W. (2017). Physics (10th ed.). Wiley. Giancoli, D.C. (2014). Physics: Principles with Applications (7th ed.). Pearson. Tipler, P. A. and Mosca, G. (2007). Physics for Scientists and Engineers (6th ed.). WH.