How to calculate the normal and shear stress
The wood beam is subjected to a load of 12 kN. If a grain of wood in the beam at pointA makes an angle of 25 degrees with the horizontal. determine the normal and shear stress that act perpendicular and pAarallel to the grain due to loading.
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What is the relationship between Sample Size and the width of the Confidence Interval? Please explain further as to why. &Discuss the effect that the confidence level has upon the confidence interval.
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