T03.1 Equivalent Force Systems

T03.1 Equivalent Force Systems - Todays Lab To Engineer is...

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Today’s Lab “To Engineer is Human: The Role of Failure in Successful Design” Engineering… predicts & mitigates failure modes is not an exact science deals with uncertainties deals with risk requires judgment Credit: Ted Lockhart, MTU Prof. Henry Petroski Duke CEE amazon.com Where’s Waldo? …Look for Hudson’s computer cluster (Rm. 117)
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Risk & Safety Risk The probability that something harmful will occur magnitude of risk = (magnitude of harm)x(probability harm will occur) Safety Something is safe to the degree that the magnitude of the risks it poses are acceptable Safety is a matter of acceptable risk, not zero risk Acceptable risk is an ethical decision Credit: Ted Lockhart, MTU
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Equivalent Force Systems Moment of a Force T03.1
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Forces & Moments Magnitude Direction Addition obeys parallelogram law of addition Point of application
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Equivalent Force System: Concurrent Forces 1 F 2 F 3 F 4 F 5 F
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Equivalent Force System: Non-concurrent Forces 1 F 2 F 3 F
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Moment of a Force
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This note was uploaded on 12/19/2010 for the course EGR 75 taught by Professor Virgin during the Fall '08 term at Duke.

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T03.1 Equivalent Force Systems - Todays Lab To Engineer is...

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