The normal strain in a suspended bar of material of varying cross section due to its own weight is given by the expressi

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The normal strain in a suspended bar of material of varyingcross section due to its own weight is given by the expressionγy/3E where γ = 2.7 lb/in.3 is the specific weight of the material,y = 1.5 in. is the distance from the free (i.e., bottom) end of thebar, L = 15 in. is the length of the bar, and E = 24000 ksi is amaterial constant. Determine,(a) the change in length of the bar due to its own weight.(b) the average normal strain over the length L of the bar.(c) the maximum normal strain in the bar.Part 1 Calculate the change in length of the bar due to its ownweight.Answer: δ = Type your answer here x10-6 in.