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9 November, 16:13

How does a beam deform when it is subjected to an upward load in the middle and supported at both ends? a. Both the top and bottom of the beam compress. b. The top of the beam stretches and the bottom compresses. c. Both the top and bottom of the beam stretch. d. The top of the beam compresses and the bottom stretches.

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  1. 9 November, 19:56
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    Answer:b

    Explanation:

    A beam is subjected to an upward load in the middle and supported in both ends. The upper fibers i. e. a topmost layer of the beam is in tension while bottom fiber i. e. fiber of bottom layer is in compression because they are under compressive force.

    Fibers above the neutral axis are in tension and fibers below the neutral axis are in compression.

    So option b is correct
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