Question: An overhanging beam ABC of rectangular cross section has the dimensions shown in the figure. A weight W = 750 N drops onto end C

An overhanging beam ABC of rectangular cross section has the dimensions shown in the figure. A weight W = 750 N drops onto end C of the beam. If the allowable normal stress in bending is 45 MPa, what is the maximum height h from which the weight may be dropped? (Assume E = 12 GPa.)

40 mm 40 mm 500 mm f 2.4 m

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