what are the units of stress strain and young’s modulus
Young's modulus Young's modulus is the ratio of stress (which has units of pressure) to strain (which is dimensionless), and so Young's modulus has units of pressure. Its SI unit is therefore the pascal (Pa or N/m2 or kg·m−1·s−2). The practical units used are megapascals (MPa or N/mm2) or gigapascals (GPa or kN/mm2).
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Stockholm Water Prize 2006: Professor Asit K. Biswas, The Third World Center for Water Management
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