1563 WordsJul 29, 20137 Pages

Title:
Archimedes principle
Objective:
To use Archimedes Principle to determine the density of an object more dense than water.
Introduction:
Archimedes ' principle is a law of physics stating that the upward force (buoyancy) exerted on a body immersed in a fluid is equal to the weight of the amount of fluid the body displaces. In other words, an immersed object is buoyed up by a force equal to the weight of the fluid it actually displaces. Hence, the buoyant force on a submerged object is the same with the weight of the fluid displaced. The weight of the displaced fluid is directly proportional to the volume of the displaced fluid (if the surrounding fluid is of uniform density). In simple terms, the principle states that the buoyant*…show more content…*

Density defined in a qualitative manner as the measure of the relative "heaviness" of objects with a constant volume. The mass density or density of a material is defined as its mass per unit volume. The symbol most often used for density is ρ (the lower case Greek letter rho). The higher an object 's density, the higher its mass per unit of volume. The average density of an object equals its total mass divided by its total volume. A denser object will have less volume than an equal mass of some less dense substance. Water is the reference with its highest density at 3.98 °C (ρ = 1 g/cm3) and the correct SI unit of density ρ = 1000 kg/m3.
Specific gravity is the ratio of density of a substance compared to the density of fresh water at 4°C (39° F). At this temperature the density of water is at its greatest value and equal 1 g/mL. Since specific gravity is a

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