Bending moment Definition and 202 Threads

Resolving Forces - Shear and Bending Moment - :) Homework Statement The data table and associated questions are rather complex, if you have the time it would be much appreciated if you could have a look at the attachment and provide me with a solution or point me in the right, i just can't...

Homework Statement A beam ABCD simply supported at A and C. AB= 2 m, BC= 6 m, AC=8m and CD= 2 m. It carries a uniformly distributed load of 30 kN/m between A and C and concentrated loads of 50 kN and 20 kN at B and D respectively. I want to find the maximum bending moment and its distance...

I am having trouble trying to find the force required to accelerate a wheeled cart. so that i can calculate the bending moment in a stopping bracket, the bit I am stuck on is The Acceleration of the cart, the situation is; An 80,000Kg Wheeled cart runs on rails from rest and hits a stop...

Homework Statement I have an assignment that is similar to the following question. I believe if i am able to do this question i will be able to do the assignment. However I cannot seem to be able to get this question right. Below the question and answer...

I'm trying to construct a bending moment diagram for the situation as below: [PLAIN]http://img42.imageshack.us/img42/633/bmdiag.jpg Where Ra and Rb are reaction forces, L1 and L2 are lengths between Ra and N and N and Rb respectively, N is a force acting perpendicular to the beam and P is...

Homework Statement Refer to the attachment provided Homework Equations Just taking force and moment equilibium of whatever component I choose. The Attempt at a Solution I assumed a uniform force distribution. Set the origin at the leftmost end. For 0< x < \frac{L-a}{2} The...

I apologize for not using the template, but my question is more of a conceptual question than anything else. The only thing so far that confuses me with Shear and Bending Moment Diagrams is when, in some cases, it is easier to approach the beam from the right side instead of the left...

Homework Statement I have a 20' (240 inch) beam with supports at 0in., 80 in., 160 in., 240 in. I need to give the beam a rating (maximum load; capacity) since it is a monorail for a 3 ton hoist. I've asked the question to my prof (his work is attached). Homework Equations I...

Homework Statement The ski supports the 900N weight of a person. If the snow loading on its bottom surface is trapezoidal determine the intensity w (N/m). Draw the shear and bending moment diagrams for the ski. The ski has an overall length of 2m. The force arrows 'hang' of the bottom of...

Homework Statement The problem can be found here: Sorry the picture is so small. I guess you can download it and then zoom in or something. The main question I'm interested in 2b. Calculating the moment. position of neutral axis: 37.14mm Second moment of area: 2.83 x 10^(-6)Homework...

Ok. There are 2 universal beams. One is 500mm deep and the other one is 400mm deep. For both beams, the top and bottom flanges are 200mm wide x 10mm deep. [SPAN of the beams is not given] Questions is..If the maximum bending moment capacity of the 400mm deep universal beam is 200 kn.m. What...

I would like to know , given with the 2 attachments below, are there any ways to find the bending moment (as circled) of the bridge? or it is not possible to calculate simply because the "load" data is not given? Several attempts have been tried but the circled data can not be...

Hello I hope you can help me and give me some guidance, hopefully I have posted this in the correct section of the forum. I need to calculate the moment on the attached drawing, and the loads then transferred to the base material, if it is shear, tensile or an oblique/combined load. some...

Homework Statement A steel strip of breadth 50 mm and depth 3 mm needs to be bent around a drum of diameter 4 m. What bending moment is required and what will be the maximum stress produced? The modulus of elasticity of the steel is 210 GPa Homework Equations \frac{M}{I}...

Homework Statement A horizontal beam 8m long, resting on two supports 1.5m from each end (supports are 5m apart), carries a uniformly distributed load of 25kN/m between the supports, with concentrated loads of 20kN at the left end of the beam, 30kN at the right end, and 40kN in the centre...

Hi For a project I am doing i need to know the maximum load an "I" Beam made out of balsa wood can take. Looking through the internet I found the "Euler Buckling Formula" F = \frac{E I pi^2}{l^2} When I use this formula I get a load which is too big, and I think this mght not be the...

Homework Statement A steel (Young's modulus = 210x109N/mm2) propped cantilever beam (Figure 1) supports a uniformly distributed load (UDL) of 20kN/m. The beam cross section is a 150mm x 75mm x 8mm rectangular hollow section (RHS), i.e. 150mm deep, 75mm wide and has an 8mm wall thickness. The...

I don't know how to do the following question, The beam shown is under the action of a uniformily distributed load w of 2 kN/m between the supports and a point load of 2 kN at the end point. Determine the bending moment in kNm at point A situated 3 m to the right of the left support. Round off...

Hello, I'm a newbie here, please help me to solve for the bending moment of my design airplane. I want to know if my wing spar is strong enough to support the weight of my design which is 490 lb. I want also to know if what is the breaking point of the wing spar. Please see the attached picture...

a motor vehicle has a wheel base of 3m. four posta ramp with two wheels each side. ramps front wheels have 6kn and rear 8kn. determine the reaction of the supports on the beam? vehicle is raised 2.25 m vertically this is done in 45 seconds calculate power of electric motor required use...

Dear Experts, I am a gradute engineer posting here for the first time. I have a query regarding the simple problem to which i cannot seem to get the correct Max bending moment. Here is the problem. A beam of length L rigidly clamped at both ends with a point load F in the centre, i.e, at...

I'm using FEA to simulate an in plane bending moment on a plate. The moment is 200Nm, and the plate is 80mm tall. Do I simulate the forces on the edge in situation (a) or situation (b)? It's a seemingly simple question, but people have put doubt in my head, I hoped a fresh mind might...

Homework Statement I have to find the Shear Force and Bending Moment diagrams for this problem. The lengths in the picture are 1.2m each and the peak force is 4kN/m and I calculated the support reactions to be: Ay=4,8kN (up) Ma= 5.76kN.m (anticlockwise) Homework Equations These are what I'm...

Hi. The question is: Draw the shear force and bending moment diagrams for the simply supported beam shown below. State the values of the greatest shear force and bending moment, and the bending moment at D. The diagram is attached as is my attempt at the answer. I hvae not stated the values of...

Homework Statement im trying to write a program for a class but first i need the formulas for the bending moment and shear force. i have the displacement and angle of the cantilever beam under a point load: Y = -[(WX^2)/(6EI)][3a – x] for 0<x<a Y = -[(Wa^2)/(6EI)][3x – a] for a<x<L...

Hi , I need to find out the forces and bending moments on, put simply a table. 4 stands are welded to a flat plate to resemble a table. An 8 tonne mass is placed on the table, which is distributed equally on the 4 corner stands. The stands are 2m high and the flat top is 2m by 0.4m. Each...

The bending moment, M, at position x meters from the end of a simply supported beam of length l meters carrying a uniformly distributed load of wkN m^-1 is given by: M = w/2 l (l-x) - w/2 (l-x)^2 Show, using the above expression, that the maximum bending moment occurs at the...

Homework Statement For the beam and loading, draw the shear and bending moment diagrams. Find the max and min abs vals of shear and bending moment. += pointing upwards, - = pointing downwards The beam is 1.4m long. Load A = -.54kN at x=0, Load B= pin support at x=.2m (Found to be +1.8kN)...

Hi, I have the equation: f/y=M/I And y = d/2; I = bd^3/13 However i have been trying for ages to try and get this equation in terms of d. Can anyone help me/ give advice as to how? Thanks

Homework Statement I have no idea how they are getting this value for Mcritical R1 and R2 are 7.5 kip and 2.5 kip, respectively. My bending diagram shows that the max moment should be (12+6)"(7.5 kip)= 135 kip-in What on Earth are they doing?

Homework Statement http://www.apeg.bc.ca/reg/past-exams/documents/May2005-98-BS-6.PDF Page 3 - Question 2 Except that let M=60 N.m (instead of 75) Homework Equations Transformation Equations: Z = z * E / E(ref) The Attempt at a Solution Transforming the composite bar to a...

Homework Statement Please refer to the uploaded images. (there are two images) When the right of the weight is lifted up, I need to know the formula to calculate the bending moment of the beam according to the rest of parts I have and how to calculate the suitable size of the beam to be...

The question. A beam with a solid square cross section of 200mm x 200mm with a length of 30m is simply supported at both ends. Weight of beam = 10kn/m. The beam has a UDL of 120KN which lies between 8m and 20m from the left hand side. I am fairly new to this so please bear with me. I...

Hi. I've been given this to calculate the support reactions but I'm not sure how to handle the increasing udl. And how would this be shown on a Bending moment and shear force diagram?? Also with non increasing Udl's when calculating the reaction is it best to change the udl to one force...

Homework Statement http://imagebin.ca/img/uzuDsi.jpg and by maximum it means in magnitude Homework Equations I figured the best (easiest/quickest) method would be to draw the shear force diagram. When I originally did this problem I came up with equations for M and V by dividing...

Homework Statement what is the bending moment formula? is it related to the pure bending formula? what's that? Homework Equations The Attempt at a Solution is the formula 1/p=M/EI?

i have the following problem and i have worked out the resultant forces that say A=397.8kN while B is 367.4 kN and the force of the UDL is 748.2kN. i have worked out the shear force diagram but am lost as to how to draw the bending moment for this problem any help would be appreicated. thank you

Shear and Bending Moment Diagrams! Homework Statement Homework Equations Newton's 2nd and 3rdThe Attempt at a Solution So my main confusion is this: I found the reaction at A to be 19 kN If I make a vertical cut through some arbitrary point along the beam and and do some analysis I get...

I made a diagram with the calcs on it, should be fairly simple, I just need to make sure I'm doing it right or if I'm way off. link to the diagram These are the beginnings of my homemade engine dynamometer...I thank you for your assistance.

Hi, desperately need help with this assignment question as its in for 2moro! "At a point on the surface of a shaft with diameter of 100mm, a 45deg rosette strain gauge is positioned with the middle gauge along the axis of the shaft. The gauges measure strains of a= -0.00015, b = 0.0003, c =...

hey every1... I'm really really stuck on this problem and unless i get it and a few others right I am going to fail my engineering statics course :( Any help would be apreciated so much... The Question that goes with that diagram I've attatched is: Determine the bending moment at a...

Can anyone draw me a correct Bending moment diagram and shear force diagram for this beam? i have drawn the shear force diagram for this case but I do not know how to draw the bending moment disgram for this case because this question involve a constant moment. Normally the rule for bending...

Calculate the bending moment in the centre of the axle?? What limit stress is valid for this loading case ? may i know how to form the moment eqn?? F=300N picture - http://files.filefront.com//;5410274;;/ pls help thanx

Calculate the bending moment in the centre of the axle?? What limit stress is valid for this loading case ? picture - http://files.filefront.com//;5410274;;/ pls help thanx

http://www.sendspace.com/file/czhuhx http://www.sendspace.com/file/gviky7 pls have and look at the link above and kindly tell me how to draw the bending moment and shear force diagrams.this is in the chapter of statics mechanics thanx

for statics , in the bending moment diagram,or the shear stree diagram how can i find maximum bending moment ?? any condition for that??or any recommended websites with diagram is appreciate thanx

does anybody has any websites or relevant material on how to draw the shear force and bending moment diagram?? pls help... thanx

Hi guys, For a Engineering Project, we will be suspending a bridge using a cantilever system. We have to draw the shear force diagram (SFD) and bending moment diagram (BMD) for the horizontal and vertical members. The arrows on the diagram represent the loading from the bridge itself. I...

Hi, I've got a little problem with a bending moment question. Here it is (really sorry for the bad diagram!) http://img474.imageshack.us/img474/7844/help15eu.jpg" R1 and R2 are reactional forces, which using moments I have calcualted to be: R1=110kN R2=141kN Section A of the...

I need to understand how to work this type of problem before my final exam. How do you find the Maximum shear force and Maximum bending moment? Thanks