Q - (A) // The figure A shown that the beam which is supported with a pin at A and a roller at B, where the pin diameter is 1.5 in. The beam section is hollow box with wall thickness is 0.75 in. The force P= 3500 lb. Determine (a) the bearing stress between the pin at A and the box beam and (b) the shear stress in the pin at A. Pin at support A - Box beam -Box beam 8 in |-10 in- -3 ft- -6 ft-

Q - (A) // The figure A shown that the beam which is supported with a pin at A and a roller at B, where the pin diameter is 1.5 in. The beam section is hollow box with wall thickness is 0.75 in. The force P= 3500 lb. Determine (a) the bearing stress between the pin at A and the box beam and (b) the shear stress in the pin at A. Pin at support A - Box beam -Box beam 8 in |-10 in- -3 ft- -6 ft-

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter5: Stresses In Beams (basic Topics)

Section: Chapter Questions

Problem 5.13.2P: The beams shown in the figure are subjected to bending moments M = 250 N · m. Each beam has a...

See similar textbooks

Similar questions

An aluminum pole for a street light weighs 4600 N and supports an arm that weighs 660 N (see figure). The center of gravity of the arm is 1.2 m from the axis of the pole, A wind force of 300 N also acts in the (y) direction at 9 m above the base. The outside diameter of the pole (at its base) is 225 mm, and its thickness is 18 mm. Determine the maximum tensile and compressive stresses o, and e1., respectively, in the pole (at its base) due to the weights and the wind force.
A W 200 x 41.7 wide-flange beam (see Table F-l(b), Appendix F) is simply supported with a span length of 2.5 m (see figure). The beam supports a concentrated load of 100 kN at 0.9 m from support B. At a cross section located 0,7 m from the left-hand support, determine the principal stresses tr, and 2and the maximum shear stress rnMJt at each of the following locations: (a) the top of the beam, (b) the top of the web, and (c) the neutral axis,
A simple beam with a rectangular cross section (width, 3,5 inL; height, 12 in,) carries a trapczoi-dally distributed load of 1400 lb/ft at A and 1000 lb/ft at B on a span of 14 ft (sec figure). Find the principal stresses 2 and the maximum shear stress r__ at a cross section 2 ft from the left-hand support at each of the locations: (a) the neutral axis, (b) 2 in. above the neutral axis, and (c) the top of the beam. (Disregard the direct compressive stresses produced by the uniform load bearing against the top of the beam.)
A simply supported beam is subjected to a in early varying distributed load q(x)=xL with maximum intensity q0at B. The beam has a length L = 4 m and rectangular cross section with a width of 200 mm and height of 300 mm. Determine the maximum permissible value for the maximum intensity, q0, if the allowable normal stresses in tension and compression are 120 M Pa.
A solid circular bar having diameter d is to be replaced by a rectangular tube having cross-sectional dimensions d × 2d to the median line of the cross section (see figure). Determine the required thickness tminof the tube so that the maximum shear stress in the tube will not exceed the maximum shear stress in the solid bar.
A tie-down on the deck of a sailboat consists of a bent bar boiled at both ends, as shown in the figure. The diameter dBof the bar is 1/4 in., the diameter D Wof the washers is 7/8 in., and the thickness is of the fiberglass deck is 3/8 in. If the allowable shear stress in the fiberglass is 300 psi, and the allowable bearing pressure between the washer and the fiberglass is 550 psi, what is the allowable load P allowon the tie-down?
A short length of a C 200 × 17.1 channel is subjected to an axial compressive force P that has its line of action through the midpoint of the web of the channel (see figure part a). (a) Determine the equation of the neutral axis under this loading condition. (b) If the allowable stresses in tension and compress ion are 76 MPa and 52 MPa respectively, find the maximum permissible load (c) Repeat parts (a) and (b) if two L 76 × 76 × 6.4 angles are added to the channel as shown in the figure part b. See Table F-3(b) in Appendix F for channel properties and Table F-4(b) for angle properties.
. A cantilever beam (width b = 3 in. and depth h = 6 in,) has a length L = 5 ft and is subjected to a point load P and a concentrated moment M = 20 kip-ft at end B. If normal stress trx= 0 at point C, located 0.5 in. below the top of the beam and 1 ft to the right of point Atfind point load P. Also show the complete state of plane stress on the element at point C.
A cantilever wood beam with a width b = 100 mm and depth h = 150 mm has a length L = 2 m and is subjected to point load P at mid-span and uniform load q = 15 N/m. (a) If the normal stress trx= 0 at point C, located 120 mm below the top of the beam at the fixed support A, calculate the point load P, Also show the complete state of plane stress on the element at point C (b) Repeat Part a if er = 220 kPa. Assume that element C is a sufficient distance from support A so that stress concentration effects are negligible.
A beam with a T-section is supported and loaded as shown in the figure. The cross section has width b = 2 1/2 in., height c = 3 in., and thickness t = 3/8 in. Determine the maximum tensile and compressive stresses in the beam. If the allowable stresses in tension and compression are 18 ksi and 12 ksi, respectively, what is the required depth h of the beam? Assume that thickness t remains at 3/8 in. and that flange width/) = 2.5 in. Find the new values of loads P and q so that the allowable tension (18 ksi) and compression (12 ksi) stresses are reached simultaneously for the beam. Use the beam cross section in part (a) (see figure) and assume that Lh and L3are unchanged.
A circular post, a rectangular post, and a post of cruciform cross section are each compressed by loads that produce a resultant force P acting at the edge of the cross section (see figure). The diameter of the circular post and the depths of the rectangular and cruciform posts are the same. For what width b of the rectangular post will the maximum tensile stresses be the same in the circular and rectangular posts? Repeat part (a) for the post with cruciform cross section. Under the conditions described in parts (a) and (b), which post has the largest compressive stress?
A cylindrical tank subjected to internal pressure/? is simultaneously compressed by an axial force F = 72 kN (see figure). The cylinder has diameter d = 100 mm and wall thickness t = 4 mm. Calculate the maximum allowable internal pressure /?max based upon an allowable shear stress in the wall of the tank of 60 MPa.