Fluid is the name given to a substance which begins to flow when external force is applied on it. Home higher education physics properties of matter properties of matter, 5e r murugeshan. Matter has many special properties that it can possess, which include concepts like elasticity, hardness, and solubility. Pdf notes for school exams physics xi fluid mechanics. Perhapsthemostnatural test of amaterials mechanical properties is the tensiontest,in which astriporcylinderofthematerial,havinglengthlandcrosssectionalareaa,isanchoredatone end and subjected to an axial load p a load acting along the specimens long axis at the other. Other special properties are ductility and flexibility. Recall hookes law first stated formally by robert hooke in the true theory of elasticity or springiness 1676 ut tensio, sic vis. The same is true in the design of bridges, automobiles, ropeways etc.
By removing this force, material turns its original shapes. Elasticity if an external force is applied to a material, it causes deformation in molecular structure of that material. In practical work, it is not always a simple matter to write down the nine elements of the. Introductory properties of matter worksheets and solutions.
Fluids do not have their own shape but take the shape of the containing vessel. Elasticity is the property of solid materials to return to their original shape and size after the forces deforming them have been removed. Because of its mass, all matter has inertia the mass being the measure of its inertia and weight, if it is in a. References include stress,strain,elasticity,hookes law,elastic limit,yield point,strength. Physics formulaeequations for properties of matter. It is the ability of returning its original shape after removing the applied stress. As an example of these properties, the stressstrain curve for a wool fibre in. Notes for school exams physics xi fluid mechanics mechanical properties of matter. The elastic behaviour of materials plays an important role in engineering design.
No matter how welldesigned bones are, they will fracture when the strength of the. The general properties of matter result from its relationship with mass and space. In this we will start first book properties of matter with first unit elasticity. For example, while designing a building, knowledge of elastic properties of materials like steel, concrete etc. Properties of matter regular properties of matter worksheets and solutions pr1b. The property of matter by virtue of which a body tends to regain its original shape and size after the removal of deforming force is called elasticity. The coefficient that relates a particular type of stress to the strain that results is called an elastic modulus plural, moduli. Elasticity is the property of complete and immediate recovery from an. When a mass of 500 g is hung from a spring, the spring stretches 3 cm. An inelastic body is one that does not return to its original shape after a deformation.
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