What is the displacement function for one-dimensional, two noded linea – McqOptions

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1.	What is the displacement function for one-dimensional, two noded linear elements in terms of its shape functions N₁ and N₂?
A.	N<sub>1</sub>u<sub>1</sub>+N<sub>2</sub>u<sub>2</sub>
B.	N<sub>1</sub>u<sub>2</sub>+N<sub>2</sub>u<sub>1</sub>
C.	N<sub>1</sub>u<sub>1</sub>-N<sub>2</sub>u<sub>2</sub>
D.	N<sub>1</sub>u<sub>2</sub>-N<sub>2</sub>u<sub>1</sub>
Answer» B. N<sub>1</sub>u<sub>2</sub>+N<sub>2</sub>u<sub>1</sub>

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