Statics Definition and 888 Threads

Please click on the image to make it larger. http://img177.imageshack.us/img177/2355/staticsqn5.th.jpg I understand the problem here, what I don't see is how to find the support reactions. Since at each joint we have more than two unknowns I have to find the support reactions. I have the...

Homework Statement I've included a picture of the problem so you can see the diagram too. The question is asking for the tension of 1 cable, when 2 are given (problem# 41).Homework Equations no equations per se.The Attempt at a Solution I resolved cable AC and cable AD, but don't know how to...

First time posting hi guys and thanks for the help before i even start :) here goes, i am on question 4 and I am not the best with this but to be far i am not 100% sure on the question here goes An aircraft flies throught still air at a velocity of 100ms-1 due East. However due to a wind...

Please click the image to enlarge it http://img257.imageshack.us/img257/3952/problemfy9.th.jpg I think I have this problem solved correctly, but please check my solution. In the image my problem is *4-24 The 70-N force acts on the end of the pipe at B Determine (a) The moment of this force...

Homework Statement A tile on a roof becomes loose and slides from rest down the roof. The roof is modeled as a plane inclined at 30 degrees to the horizontal. The co-efficent of friction between the tile and the roof is 0.4. The tile is modeled as a particle of mass 'm'kg. a) Find the...

Homework Statement a 2.9 lb force P is appplied to the lever which controls the auger of a snowblower. determine the value of alpha knowing that the moment of P about A is counterclockwise and has a magnitude of 17 lb*in Homework Equations The Attempt at a Solution i thought i...

This isn't a homework problem, I just have a general problem with solving AS level (M1) statics questions in mechanics that are similar to this example (our teacher have moved on to the next module now but I'm still stuggling with these): example A particle of mass 3kg rests in limiting...

Homework Statement One end of a post weighing 400N and with height h rests on a rough horizontal surface with (mu) = .30. The upper end ish help by a rope fastened to a surface and making an angle of 36.9° with the post. A horizontal force F is exerted on the post. (a) If the force F is...

Yeah - so this WAS on our homework, but our professor was even stumped at first...Eventually he figured it out, but he told us not to worry about it. But of course, I'm SUPER curious! Can someone help me figure this out? http://img120.imageshack.us/img120/4610/staticskg2.gif It's a 10...

Hi, I am Rigon from Macedonia. I am studying Mechatronics on the faculty of Mechanical Engineering in Skopje.Now I am in the first year.Can somebody help me to tell where I can find free e-books or tutorials for statics or something similar.I hope somebody will help me.Thanks

A 30 kg rod one meter long is supported by a hinge A hanging from the ceiling. The rod rests on a peg "C" at a point .7 meters along the rod away. A vertical force of 1000 N is applied to the end of the rod. The rod rests at an angle of 30 degress from the vertical. Find the x and y...

hi all, I'm new to this forum and have read through a lot of the topics. i also tried searching the previous problems, but haven't found anything yet. anyways, here's my question: how do i find the reaction (normal) forces on points C, B, and A? I'm trying to do this with the vector...

Any help will be greatly appreciated. Simple representation of the problem is the analysis of the forces and reactions of a table with a non-centered weight on it. I am seeking the reaction forces at the four legs. Specifics... Table width - 48" Table length - 72" Table height - 36"...

Given: A ramp which is sitting as illustrated below. The ramp weighs 200 lb. http://img165.imageshack.us/img165/8601/problem523fe4.th.png Find 1: Cable force (line CD) so that the reaction at point B=0. Find 2: Determine the Horizontal and vertical components of pin hinge at point A...

I'm really stuck on how to start these two questions. Could someone please give me some hints? Any help would be really appreciated. 1. A body of mass 1.5kg is placed on a plane surface inclined at 30 degrees to the horizontal. Calculate the friction and the nornal reaction which the plane...

Information given: boat owner pulls her boat into the dock shown, where there are six capstans to which to tie the boat. She has three ropes. She can tie the boat from the boat's center (A) to any of the capstans (B through G) along the dotted arrows shown. Suppose the owner has tied...

Hello guys, I'm new to this forum. Ah.. I'm having a problem with statics, was supposed to pass up my lab report today but was told to redo the introduction. I was told that the introduction must mention Static equilibrium->Newton ->motion->translation->force->center of mass...

I need to find the Forve Vector (30N) as a Cartesian vector. Given the information given, I believe that the angles of the Triangle are: 90, 32.37, and 57.63. This gives the projected vector in the x, y plane as 16.1 N. The answer should be : - 13.2i - 17.7j + 20.3k. Help...

Heres the problem. A bridge span is 5m high and 20m long. Find the verticle force and the horizontal thrust on each of the piers P in terms of weight suspended from the center of the span. I really hope you can understand the geometry of the problem without the drawing(there was a drawing...

Hello, I am having a little trouble with this statics problem: "A 15.0 m uniform ladder weighing 500 N rests against a frictionless wall. The ladder makes a 60 degree angle with the horizontal. (a) Find the horizontal and vertical forces the ground exerts on the base of the ladder when an...

I have two different ways to solve this question. The first method is using the method taught in textbook: Draw the parallelogram and bend F to a direction which is perpendicular to the resultant force, and use sine rule to find F. The second method I use is by assuming the direction of the...

Hello , I've come across a phrase that i don't understand while doing an exercise in this chapter . What's the meaning of a 'uniform paper collar' Please explain to me =) Cheers mate

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

Here's a statics problem that I'm unsure about. The system is in static equilibrium, and I'm supposed to find the reaction forces. {convention: right and up are taken as positive for x and y respectively, and counter-clockwise is positive for moment} \sum F_{y} = 0 B_{y} = -1000N \sum F_{x} =...

http://img103.imageshack.us/img103/6237/yffigure11407dw.jpg "One end of a uniform meter stick is placed against a vertical wall View Figure . The other end is held by a lightweight cord that makes an angle \theta with the stick. The coefficient of static friction between the end of the meter...

I'm trying to solve the problems on this page: http://physics.uwstout.edu/StatStr/statics/StatII/statp21f.htm The second last one is a bit hard for me, but I think I've got it. Just need to get my approach confirmed as correct. I first found the external support reactions, that went fine...

A swimming pool has dimension 23.0 m by 8.0 m with a depth of 3.0 m. When it is filled with water, what is the force (resulting from the water alone) on the bottom? When it is filled with water, what is the force (resulting from the water alone) on each short side? i figured out part a...

Question: Beam AB is subject to a uniform load of 300N/m and is supported at B by column BC. If the static coefficients of friction at B and C are (muB) = .2 and (muc) = .5, determine the force P needed to pull the column BC out from under the beam if P is .25m away from C and .75m away from B...

I have attached a sketch of a 3-d system. There are two rods of equal length (35cm) and equal mass. The masses are equal but unknown (mass of rod #1 = mass of rod #2). Please note that rod #2 is attached to rod one by a small connecting rod (3cm in length). Also note that the width of all rods...

Statics Problem...Please Help I have attached a sketch of a 3-d system. There are two rods of equal length (35cm) and equal mass. The masses are equal but unknown (mass of rod #1 = mass of rod #2). Please note that rod #2 is attached to rod one by a small connecting rod (3cm in length). Also...

hey all. I'm having problems with what should be a simple statics problem. "The Magnitude of force F is 80.0 N. What are the madnitude of its components a) F\ab and b) F\ac that are parallel to the bars AB and AC respectively." The picture: Force F pointing straight down. bar AB...

Vibrations and Fluid Statics One end of a horizonatal wire is fixed, while the other passes over a smooth pulley and has a heavy weight attached to it. The frequency of the fundamental note emitted when the wire is plucked is 392 Hz. When the weight is completely immersed in water, the new...

This is a problem for an intermediate materials class. There is a RIGID beam (does not bend) that is pinned at the top and has a 220 lb force on the bottom. There are two cables holding it in place (See diagram below). we are supposed to find the deflection of the beam at the bottom, and...

I am having a bit of trouble solving statics problems. its actually only 1 issue. I can do the trig and rest. The question , like the one below... http://img25.imageshack.us/img25/5403/q10lq.th.gif ...usually asks to find the tension in one of the strings.In this case they asked for the...

My statics text says the following: The relationship between axial stress and strain can be represented by the equation \sigma = E\epsilon "At higher levels of stress, the following nonlinear equation may be a better fit to describe the correlation between axial stress and strain: \sigma...

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

Ive been working on this problem for a little while now and basically, I don't know where to go. I have found the friction angle of 7 degrees but I really have no idea where to go next. My book doesn't have any examples like the problem. The problem looks a lot like a basic physics problem so I...

I am studying the statics of cable systems and I find it to be very interesting. :approve: I REALLY like statics. :biggrin: Such an interesting subject, anyways. My first question is this: When we have a system of cables supporting weights, say like traffic lights, we can assume the cables...

Ok this problem seems way too simple. I have worked it out without using any of the dimensions given. The problem is http://www.engr.colostate.edu/~elblunto/problem.jpg" My work is http://www.engr.colostate.edu/~elblunto/jonwork.jpg" I don't think the solution could be that easy...

I need to take Engineering Statics next semester, but the only time the class is offered conflicts with another class I have to take. There is no other class that I can take for my major next semester becasue every other class I need requires these classes I am taking next semester as...

Hi everyone, I have a statics question I am having a bit of trouble on. I don't know how I will put the diagram in here that it comes with but the question is "Determing the resultant of the coplanar concurrent force system shown. Compute the magnitude, sense, and angle of...

The problem is stated in the picture. And I drew the FBDs of the top half of the bolt cutter, as shown in the second page: Setting moment about A to be 0, I obtain -Q(1 in)-F[SIZE="1"]By*4 in=0 And B[SIZE="1"]y= -Q/4 lb Then setting moment about C to be zero. I obtain F[SIZE="1"]By(0.5 in)-20...

Hello, I'm having trouble with a truss analysis problem. We are supposed to use the method of joints & the method of sections. We have to find all the external reaction forces and internal member forces. The method of joints is not problem, and I THINK I'm doing the method of sections...

Posted in different section decided to move this post here I'm currently using Statics: Analysis and design of systems in equilibrium by Sherri D sheppard. My classmates and I want another statics book for reference. We are looking into Vector Mechanics for Engineers, Statics and...

I'm currently using Statics: Analysis and design of systems in equilibrium by Sherri D sheppard. My classmates and I want another statics book for reference. We are looking into Vector Mechanics for Engineers, Statics and Dynamics 7e Ferdinand P. Beer (Author), Jr., E. Russell...

I need some help in this problem to see if my game plan is right. My answer doesn't make sense, well to me it doesn't. A weight of 200 lb hangs from a frame of negligible weight, as shown. If the frame is in equilibrium, determine the loads acting on the frame at A and D. Use the fact that...

I have this assignment to hand in and I've been having problems remembering how to do these problems. I am not sure if my answers are correct. I have no idea how to do the third one if anyone can walk me through the solution. My answers are: #1: -59.8 #2: Tension=14715N Mechanical...

Q. The base of the freeway sign is attached to its foundation with four bolts.The four bolts must be able to resist the twisiting of the pole that is caused by the wind. Assume each bolt carries the same force. If the diameter of the bolt circle is 0.9m, calculate the horizontal (shear) force on...

I need urgent help in Statics I'm taking a Statics course in college right now. However, I wasn't able to get a book due to financial issues early on. Naturally I feel behind. Anyways, I have a test coming up and the teacher gave us four problems to solve as a study guide, saying similar...

Q. A Man, is pushing a copier machine, up an incline, which weighs 600 N. I need to find the frictional force, and the normal force. The free body diagram, I shall describe that to you. Weight of the machine acting downards. and if we resolve this weight we get mg sin theta along the...