![]() ![]() ![]() Specific Gravity = Weight of the substance / Weight of the equal amount of water Now, it can also be seen that the weight of the object and the water are affecting the density, such as, Specific Gravity = Mass of the substance / Mass of unit volume of water So, the specific gravity can be calculated by dividing the mass of the object with that of water, such as, Therefore, with the above formula of density, it can be analyzed that the density and mass of an object are directly proportional. Hence, the specific gravity is greater than 1 so the object will sink in the water.ĭerivation of Formula of Specific Gravity So the density of the object is 12 g/mL and the specific gravity is 12. Solution: Density of the object = \((\frac\) = 12 Find the specific gravity of the object? Specify if the object will sink or float in the water. The density of the water is 1 g/mL. Solved Example of Specific Gravity FormulaĮxample: A liquid has a mass of 36 grams and the volume of the water (reference material) is 3 mL. It is a dimensionless quantity and can be mathematically represented as, Specific Gravity may also be defined as the ratio of the density of a substance to the density of the water at a specified temperature. Density of water and the substance placed in it.However, there are multiple factors affecting the tendency of the object or body to sink or float, such as, Therefore, to understand this specific phenomenon, the specific gravity of the fluid is measured, which, at the same time, takes into account the density, mass or weight of the object and the fluid. Perhaps, it serves to be the most important topic under Physics where the concept of specific density is implied to calculate if any object or body placed in the water, taken as fluid, will sink or float in the same. Science represents specific gravity with the symbol ‘S’. Specific gravity is mainly used to determine the properties of the fluid in relation to the concerned objects. Key Terms: Gravity, Specific Gravity, Density, Mass, Weight, Volume, Relative Density, Pressure, Temperature Derivation of Formula of Specific Gravity. ![]()
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