Problem 1. A rectangular bar of length L has a slot in the middle half of...

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Problem 1. A rectangular bar of length L has a slot in the middle half of its length. The bar has width b, thickness t, and modulus of elasticity E. The slot has width b/3. 3. 4. L (a) Obtain a formula for the elongation of the bar due to the axial loads P. 4 %3D (b) Calculate the axial stress in the middle section if P = 100 N, = 30 mm, and t = 10 mm. %D %3D Tub Problem 1. A rectangular bar of length L has a slot in the middle half of its length. The bar has width b, thickness t, and modulus of elasticity E. The slot has width b/3. 3. 4. L (a) Obtain a formula for the elongation of the bar due to the axial loads P. 4 %3D (b) Calculate the axial stress in the middle section if P = 100 N, = 30 mm, and t = 10 mm. %D %3D Tub