Lecture Notes Ch 4.9 web.pdf

Lecture Notes Ch 4.9 web.pdf - REDUCTION OF A SIMPLE...

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REDUCTION OF A SIMPLE DISTRIBUTED LOADING In-Class Activities: Check Homework Reading Quiz Applications Equivalent Force Concept Quiz Group Problem Solving Attention Quiz = Today’s Objectives : Students will be able to determine an equivalent force for a distributed load.
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READING QUIZ 2. The line of action of the distributed load’s equivalent force passes through the ______ of the distributed load. A) Centroid B) Mid-point C) Left edge D) Right edge 1. The resultant force (F R ) due to a distributed load is equivalent to the _____ under the distributed loading curve, w = w(x). A) Centroid B) Arc length C) Area D) Volume x w F R Distributed load curve y
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APPLICATIONS To analyze the load’s effect on the steel beams, it is often helpful to reduce this distributed load to a single force. How would you do this? There is a bundle (called a bunk) of 50 mm x 100 mm boards stored on a storage rack. This lumber places a distributed load (due to the weight of the wood) on the beams holding the bunk.
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APPLICATIONS (continued) The uniform wind
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