Consider the beam below. If the beam is subject to a 20kN internal shear force, determine the maximum shear stress (in MPa) in the beam. The thickness of all pieces is 30mm

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.