Question: 1. The 28 cm long link BC has a rectangular cross-section 25 mm x 6 mm. It is made of a material with an

1. The 28 cm long link BC has a rectangular cross-section 25 mm x 6 mm. It is made of a material with an elastic modulus of 120 GPa and an allowable normal stress of 80 MPa and is attached to member ABD at point B. Determine the maximum P value that can be supported by link BC without exceeding the maximum allowable stress, and ensuring the change of length of the link does not exceed 0.05 mm. a 00 30cm 16cm 20 cm

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