Interview Question

Manufacturing Engineer Interview

-Hawthorne, CA

SpaceX

Given a cantilever beam with a load on the free end, where does the beam fail? Follow up questions regarding that.

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Interview Answers

3 Answers

1

Assuming the connection to the fixed end attachment points do not fail, the failure would be around the point where cantilever begins

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12

Assuming the beam DOES fail (the free-end load might not be enough sheer force to cause failure) and the beam has a uniform weight distribution, the beam fails where the maximum bending moment occurs...which is the fixed end.

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2

Free end

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