Stetson University Scalar Equation of Equilibrium Questions

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Truss ABC is changed by decreasing its height from H to 0.9 H. Width W and load P are kept the same. Which one of the following statements is true for the revised truss as compared to the original truss, explain in detail?

A) Force in all its members have decreased.
B) Force in all its members have increased.
C) Force in all its members have remained the same.
D) None of the above.

A triangular truss ABC with load P applied from the top (point A) and a height of H.