A beam is made of three planks, 20 by 100 mm in cross section, and nailed together (Fig. 6.8a). Knowing that the spacing between nails is 25 mm and the vertical shear in the beam is V = 500 N, determine the shearing force in each nail.
A beam is made of three planks, 20 by 100 mm in cross section, and nailed together (Fig. 6.8a). Knowing that the spacing between nails is 25 mm and the vertical shear in the beam is V = 500 N, determine the shearing force in each nail.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Page422, Concept Problem 6.1. Solve this problem completely,butwith the following changes. (1) Continue toassume that the upper plank is 100 mm wide. (2) Assumenowthat the lower plank isreduced to80 mm wide. (3)Assume that each nail shouldwithstand ashearingforce of no more than 100 N.The questions are: (a) What is therequired spacing of the nails in the upper plank? (b) What is the required spacing of the nails in the lower plank?Please keep in mind that thesechangeswill result in many other changes across the board. Discuss all practicalissues in your findings.
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