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A simply supported beam of span L is subjected to two point loads, each of magnitude P, acting at one third of the span, as shown in the figure below. Which of the follloing statements is correct about the nature of the BMD?
  • a)
    Bending moment is zero at the mid span section.
  • b)
    Bending moment first increases linearly up to mid span then decreases linearly in the middle one third part.
  • c)
    Bending moment is constant in the middle one third part
  • d)
    Bending moment is constant in the left one third part
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A simply supported beam of span L is subjected to two point loads, eac...

The point loads are applied symmetrically to the simply supported beam with respect to mid-span (or point C), so the vertical reaction at both supports is equal and is half the applied load.
VA = VB = P
Calculating the bending moment at point D

Calculating the bending moment at point C

The bending moment at points A and B is zero because supports A and B are simply supports (roller and hinge).

Hence the bending moment is constant in the middle one-third part of the beam.
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Most Upvoted Answer
A simply supported beam of span L is subjected to two point loads, eac...

The point loads are applied symmetrically to the simply supported beam with respect to mid-span (or point C), so the vertical reaction at both supports is equal and is half the applied load.
VA = VB = P
Calculating the bending moment at point D

Calculating the bending moment at point C

The bending moment at points A and B is zero because supports A and B are simply supports (roller and hinge).

Hence the bending moment is constant in the middle one-third part of the beam.
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A simply supported beam of span L is subjected to two point loads, each of magnitude P, acting at one third of the span, as shown in the figure below. Which of the follloing statements is correct about the nature of the BMD?a)Bending moment is zero at the mid span section.b)Bending moment first increases linearly up to mid span then decreases linearly in the middle one third part.c)Bending moment is constant in the middle one third partd)Bending moment is constant in the left one third partCorrect answer is option 'C'. Can you explain this answer?
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A simply supported beam of span L is subjected to two point loads, each of magnitude P, acting at one third of the span, as shown in the figure below. Which of the follloing statements is correct about the nature of the BMD?a)Bending moment is zero at the mid span section.b)Bending moment first increases linearly up to mid span then decreases linearly in the middle one third part.c)Bending moment is constant in the middle one third partd)Bending moment is constant in the left one third partCorrect answer is option 'C'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A simply supported beam of span L is subjected to two point loads, each of magnitude P, acting at one third of the span, as shown in the figure below. Which of the follloing statements is correct about the nature of the BMD?a)Bending moment is zero at the mid span section.b)Bending moment first increases linearly up to mid span then decreases linearly in the middle one third part.c)Bending moment is constant in the middle one third partd)Bending moment is constant in the left one third partCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A simply supported beam of span L is subjected to two point loads, each of magnitude P, acting at one third of the span, as shown in the figure below. Which of the follloing statements is correct about the nature of the BMD?a)Bending moment is zero at the mid span section.b)Bending moment first increases linearly up to mid span then decreases linearly in the middle one third part.c)Bending moment is constant in the middle one third partd)Bending moment is constant in the left one third partCorrect answer is option 'C'. Can you explain this answer?.
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Here you can find the meaning of A simply supported beam of span L is subjected to two point loads, each of magnitude P, acting at one third of the span, as shown in the figure below. Which of the follloing statements is correct about the nature of the BMD?a)Bending moment is zero at the mid span section.b)Bending moment first increases linearly up to mid span then decreases linearly in the middle one third part.c)Bending moment is constant in the middle one third partd)Bending moment is constant in the left one third partCorrect answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of A simply supported beam of span L is subjected to two point loads, each of magnitude P, acting at one third of the span, as shown in the figure below. Which of the follloing statements is correct about the nature of the BMD?a)Bending moment is zero at the mid span section.b)Bending moment first increases linearly up to mid span then decreases linearly in the middle one third part.c)Bending moment is constant in the middle one third partd)Bending moment is constant in the left one third partCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for A simply supported beam of span L is subjected to two point loads, each of magnitude P, acting at one third of the span, as shown in the figure below. Which of the follloing statements is correct about the nature of the BMD?a)Bending moment is zero at the mid span section.b)Bending moment first increases linearly up to mid span then decreases linearly in the middle one third part.c)Bending moment is constant in the middle one third partd)Bending moment is constant in the left one third partCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of A simply supported beam of span L is subjected to two point loads, each of magnitude P, acting at one third of the span, as shown in the figure below. Which of the follloing statements is correct about the nature of the BMD?a)Bending moment is zero at the mid span section.b)Bending moment first increases linearly up to mid span then decreases linearly in the middle one third part.c)Bending moment is constant in the middle one third partd)Bending moment is constant in the left one third partCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice A simply supported beam of span L is subjected to two point loads, each of magnitude P, acting at one third of the span, as shown in the figure below. Which of the follloing statements is correct about the nature of the BMD?a)Bending moment is zero at the mid span section.b)Bending moment first increases linearly up to mid span then decreases linearly in the middle one third part.c)Bending moment is constant in the middle one third partd)Bending moment is constant in the left one third partCorrect answer is option 'C'. Can you explain this answer? tests, examples and also practice Civil Engineering (CE) tests.
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