Discussion of Results: In part 1, a load P is applied on the cantilever beam and the two strain gages measures the developed strain in the specimen axially and laterally. The data are recorded Table 1. At the first 3 readings the errors are very high; this can be referred to the zero offset of the gage indicator device that alters the measurement considerably at low stresses. Afterward, the readings become more logical. The zero-offset error resulted from the improper balancing of all the channels at one time, because balancing a channel will shift the balance pint of another one, and when taking the readings from all channels simultaneously, error generates. Figure 3 and 4 illustrate the stress-strain diagram and Poisson’s ratio for the specimen respectively. The average value of: modulus of elasticity is (60.4 Gpa), and Poisson’s ratio is (0.42). When comparing these values with many known materials properties we can conclude that the material of the specimen is aluminum. While the experiment where about to exam the hysteresis behavior of the system, the two loading schemes didn’t show an obvious difference in between.Table 2 show the recorded values for a rectangular cantilever beam with a discontinuity in the middle. The readings of the four mounted gages are listed in the table, with gage 4 being the closest to the continuity and 1 the furthest. The reduction in stress through the different gages is clearly shown in Figure 6. The measured modulus of elasticity of the material is 620 Gpa which is close to the value measured in part 1. The material is anticipated to be aluminum alloy, and the deviation in the values of Poisson’s ratio and modulus of elasticity is mainly referred to the impurities existing in the specimen structure, and secondarily to the errors generated when balancing the bridges channels and in the strain gages themselves. The stress concentration factor is measured to be 1.54, while the theoretical predicted value referring to (Richard G.Budynas, 2011) is 2.2. This difference may be due to the errors generating in the strain gages and in the digital gage indicator. It could be also a result for poor finishing conditions.