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1. A homogeneous 800 kg bar AB is supported at either end by a cable as shown in the figure.
Bronze
L= 4 m
Steel
L = 3 m
10 m
a. Set up the equations of stress that is required to solve the problem.
b. Calculate the smallest area of each cable if the stress is not to exceed 90 MPa in
bronze and 120 MPa in steel.

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