(Solved): (iii)In arriving at the rectangular stress block from the exact parabolic stress, the following pri ...

(iii)In arriving at the rectangular stress block from the exact parabolic stress, the following principles were maintained: (a) Only the area of the stress block was kept the same. (b) Both the area and location of the force were kept the same. (c) Only the location of the force was kept the same. (iv)The following statement is true with the strength method of design: (a) Both stress and strain are linear. (b) Stress is linear and strain is nonlinear.