A dam 4 m wide at the top, 10 m at the bottom, and 20 m high has water 15 m deep on its vertical side. What is the factor of safety against sliding? Assume the coefficient of friction of 0.80 and neglect uplift. Use the unit weight of concrete to be 23.50 kN/m3

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Properties of materials

A property of a material describes its characteristics and distinguishes it from the others. The material properties are described it in terms of its hardness, color, appearances, and so on. The material properties generally depend on the type of material, or whether it is a metal or an alloy. There are different kinds of material properties such as mechanical properties, thermal properties, physical properties, and chemical properties. Chemical properties describe the material in terms of a chemical change. The mechanical properties come into existence when the material is acted upon by an external load. Thermal properties are associated with the temperature of the material and specific heat.