A In 180 kN -500 mm -500 mm Fig. P6.22 and P6.24 -160 m 100 mm B b 30 mm 30 mm 20 mm 6.23 and 6.24 For the beam and loading shown, determine shearing stress in section n-n. 6.25 through 6.28 A beam having the cross section shown zonta (0-1), (9-1) -x20 a B √y-x 6.21 and 6.22 For the beam and loading shown, consider section n and determine the shearing stress at (a) point a, (b) point b. A 25 kips 25 kips 7.25 in. B 34 in. b