Calculate the knoop hardness when a 431-g load yields

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Problem- Calculate the Knoop hardness when a 431-g load yields an indentation diagonal length of 81.0*10^-6 m.

The measured HK of some material is 187. Compute the applied load if the indentation diagonal length is 0.20 mm.

Please explain how you came up with answer I really want to understand how to calculate this

Reference no: EM13715287

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