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6.21 and 6.22 For the beam and loading shown, consider section n-n and determine the shearing stress at (a) point a, (b) point b. 25 kips 25 kips n A n 20 in. 20 in.- 10 in. Fig. P6.21 and P6.23 Answer 6.21: (a) 1.745 ksi. (b) 2.82 ksi. A n | in. 7.25 in. b B $1.5 in. a $1.5 in. in. A in. 4 8 in. 200 kN 200 kN 50 mm a 50 mm 150 mm b B 0.75 m 1.2 m 0.75 m 75 mm 75 mm 75 mm Fig. P6.22 and P6.24 Answer 6.22: (a) 12.55 MPa. (b) 18.82 MPa. 50 mm Three boards are nailed together to form a beam shown, which is subjected to a vertical shear. Knowing that the spacing between the nails is s = 75 mm and that the allowable shearing force in each nail is 400 N, determine 120 mm. the allowable shear when w = Answer 738 N. 60 mm 60 mm 60 mm S S W Fig. P6.4 200 mm Page 432

6.21 and 6.22 For the beam and loading shown, consider section n-n and determine the shearing stress at (a) point a, (b) point b. 25 kips 25 kips n A n 20 in. 20 in.- 10 in. Fig. P6.21 and P6.23 Answer 6.21: (a) 1.745 ksi. (b) 2.82 ksi. A n | in. 7.25 in. b B $1.5 in. a $1.5 in. in. A in. 4 8 in. 200 kN 200 kN 50 mm a 50 mm 150 mm b B 0.75 m 1.2 m 0.75 m 75 mm 75 mm 75 mm Fig. P6.22 and P6.24 Answer 6.22: (a) 12.55 MPa. (b) 18.82 MPa. 50 mm Three boards are nailed together to form a beam shown, which is subjected to a vertical shear. Knowing that the spacing between the nails is s = 75 mm and that the allowable shearing force in each nail is 400 N, determine 120 mm. the allowable shear when w = Answer 738 N. 60 mm 60 mm 60 mm S S W Fig. P6.4 200 mm Page 432

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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6.21 and 6.22 For the beam and loading shown, consider section n-n and determine the shearing stress at (a) point a, (b) point b. 25 kips 25 kips n A n 20 in. 20 in.- 10 in. Fig. P6.21 and P6.23 Answer 6.21: (a) 1.745 ksi. (b) 2.82 ksi. A n | in. 7.25 in. b B $1.5 in. a $1.5 in. in. A in. 4 8 in. 200 kN 200 kN 50 mm a 50 mm 150 mm b B 0.75 m 1.2 m 0.75 m 75 mm 75 mm 75 mm Fig. P6.22 and P6.24 Answer 6.22: (a) 12.55 MPa. (b) 18.82 MPa. 50 mm
Transcribed Image Text:6.21 and 6.22 For the beam and loading shown, consider section n-n and determine the shearing stress at (a) point a, (b) point b. 25 kips 25 kips n A n 20 in. 20 in.- 10 in. Fig. P6.21 and P6.23 Answer 6.21: (a) 1.745 ksi. (b) 2.82 ksi. A n | in. 7.25 in. b B $1.5 in. a $1.5 in. in. A in. 4 8 in. 200 kN 200 kN 50 mm a 50 mm 150 mm b B 0.75 m 1.2 m 0.75 m 75 mm 75 mm 75 mm Fig. P6.22 and P6.24 Answer 6.22: (a) 12.55 MPa. (b) 18.82 MPa. 50 mm
Three boards are nailed together to form a beam shown, which is subjected to a vertical shear. Knowing that the spacing between the nails is s = 75 mm and that the allowable shearing force in each nail is 400 N, determine 120 mm. the allowable shear when w = Answer 738 N. 60 mm 60 mm 60 mm S S W Fig. P6.4 200 mm Page 432
Transcribed Image Text:Three boards are nailed together to form a beam shown, which is subjected to a vertical shear. Knowing that the spacing between the nails is s = 75 mm and that the allowable shearing force in each nail is 400 N, determine 120 mm. the allowable shear when w = Answer 738 N. 60 mm 60 mm 60 mm S S W Fig. P6.4 200 mm Page 432
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