Bending Moment Quiz 3

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The bending moment quizzes serve as a crucial checkpoint to evaluate your grasp of the foundational concepts necessary for our structural analysis course. Should you encounter difficulties with these quizzes, it suggests that enhancing your knowledge in engineering mechanics - statics is essential before you can successfully embark on our structural analysis journey.

Each quiz features 4 questions. Carefully answer each one in the provided input fields. Once you are confident in your responses, click the submit button. ChatGPT will then review your answers and offer insightful feedback to help you improve.

Question 1

The Bending moment in a beam segment affects the outer fibers of the segment. Explain what happens to the top and bottom fibers of a beam segment when an internal positive bending moment develops in the segment.

Question 2

Consider the simply supported beam and the three moment diagrams (A, B and C) shown below.

Which of the following statements is true?

Question 3

The shear diagram for a beam subjected to a series of concentrated loads is shown below (the loads are not shown).

What is the magnitude of the bending moment in the beam at point B?

What is the magnitude of the bending moment in the beam at point C?

What is the magnitude of the reaction force at the roller support at point C?

What is the magnitude of the bending moment in the beam at point D?

Question 4

A cantilever beam with a length of 10 meters is subjected to a concentrated load at its midpoint and a concentrated moment at its free end. The free-body diagram of the beam is shown below.

Write the moment equation for the beam.