Support Definition and 370 Threads

Hello. I am a physics student and recently I have not done so well. This is one of those times when even your best effort isn't enough. I have had those before and have come through, I know I can, I just don't believe it right now,. And I really love this dang, I really do, that's why I am so...

Homework Statement A model for the suspension of a vehicle is shown where the spring has stiffness k = 178 N/mm and an unstreched length of 347 mm. http://imgur.com/1dTVs12 Determine the value P and the force supported by member AB so that the suspension has the equilibrium position shown...

Homework Statement Force by uniform loading = 20(5) = 100kN Vertical component of the uniform loading = 20(5)(3/5) = 60kN Horizontal component of the loading = 20(5)(4/5) = 80kN vertical reaction at roller support = Vr vertical reaction at pin support = Vp Homework Equations Fx=0, Fy=0...

Hello I am trying to setup a problem to represent a pipeline crossing over another perpendicular pipeline on the seabed. I am trying to represent the problem as a simple beam and having some issues with the supports i am selecting and the boundary conditions. Attached is a picture representing...

If the walls of a submarine were supported by fast-spinning rings, using centrifugal force to prevent collapse or buckling, would this be viable engineering? I am assuming that the rings would be magnetically suspended to eliminate friction. This also seems like a self-stabilizing system with...

Hi All, I am after some career advice? I`m 37 and have been working in IT Support since I left uni. For the past year or so iv not enjoyed my job (I think a lot of it has to do with where I am working) but, i`m at the point where I just no longer want to work in IT. I have been thinking of...

Hello everyone, Can anyone assist me with the following; I have derived some very interesting cosmological quantities within regard to radiation as it moves through space. I am looking for someone trustworthy who can help me verify my work and point me in the right direction without claiming...

Hi all, I need to find base length x which would support the pillar and wouldn't topple over (weight of 2.1kg on right hand side of pillar) Thanks in advance

Hi, i have a question.. I need to make a "bumper project" as shown in figure. I have all the geometric information about system and also know weight and energy which is transferred. I need to calculate the support reaction but i can not convert the energy to the force without "impact time". (F...

Hello.. i am trying to determine the maximum deflection of a beam on account of its sagging due to its own weight. I have the CAD MODEL of the beam and i import its IGS into ANSYS WB14.static structural. 1.is it a uniform distributed loading case? 2.i need to simply support the beam at both...

I've taken several courses on Electromagnetics and Waveguide. It has become common sense to me that small waveguides support less modes than larger ones. I've also learned the graphical method to calculate the number of modes in a 3-layer slab waveguide. What I don't get is why small...

Apple finally did it - A Macbook that supports Windowscheers Dave

Homework Statement If you had a simple 2D truss with a pin and a roller support, would making the pin on a 30 degree incline change the supporting reactions? Homework EquationsThe Attempt at a Solution Can't see why since it still supports a horizontal and vertical, don't know hwy the angle...

Homework Statement Where is the difference between center of support of equilibrium and center of mass of system. For example we are given a ruler with length L and mass M and two builds with mass m1 and m2 on its edges. Homework Equations http://imgur.com/PiGA817 The Attempt at a Solution I...

All my sphincters are in lockdown. Normally my mother is extremely suspicious of strangers calling, but for some reason, this slipped by her. She apparently spent quite a bit of time the other day on the phone with someone "trying to help her fix technical problems with her Microsoft" system...

Homework Statement A certain type of concrete has a tensile breaking stress of 3.1 MN/m^2, a compressive breaking stress of 37.7 MN/m^2 and a shear breaking stress of 9.4 MN/m^2. A circular pillar of this concrete has a radius of 0.6 m. What is the maximum load it can support assuming that it...

I have a question. If an human have an artificial heart can the artifical heart support 220v? if the answer is yes. Can the human maipulate electricity? maybe is an stupid question but can you answer please

Homework Statement A support is turning clockwise at Ω around the red axis. A motor on the support is turning at ω, ω is a frame support reference rotationnal velocity. Find the rotationnal velocity of the wheel ω' in the frame support reference. http://imageshack.com/a/img673/7631/wZhklo.png...

Homework Statement I need to find if there is a torque on the support with 3 gears: http://imageshack.com/a/img901/8954/mFzBas.png The Gear1 is forced to turn at 3w by an external device. Gear2 and Gear3 must follow. Homework Equations None The Attempt at a Solution I drawn all forces...

I have to build a new stand for our single compartment concrete laundry tub since two legs of original steel stand are corroded. I want to make the new stand out of angle aluminum to avoid corrosion and also because it's easier to cut and drill. The laundry tub weighs about 135 lbs. I...

Ok. I've determined that nuclear engineering research is for me. Want to study it at the B.S. level at Berkeley, but I live in Sacramento. Maybe the commute could be made. Daily. For 2 hours there and back. But... no. So I've decided that I can get a good degree from Davis to support my future...

I've read a lot of posts talking about quantum consciousness, and it seems the general consensus is that it is crack, woo, psuedoscience etc. But then I found a news feed that pointed to this, Travis John Adrian Craddock, Douglas Friesen, Jonathan Mane, Stuart Hameroff, and Jack A. Tuszynski...

Hey! :o If $f$ is a measurable complex function (that means that it doesn't take the values $\pm \infty$) with compact support, then for each $\epsilon >0$ there is a continuous $g$ with compact support so that $m(\{f\neq g\})<\epsilon$. Could you give me some hints how I could show that...

Homework Statement A uniform thin rod of weight 100 N is supported horizontally by two bricks at its ends. At t=0 one of these bricks is kicked out quickly. Calculate the force on the other support immediately thereafter. Homework Equations I'm not sure if I am on the right track with this...

Homework Statement A simple pendulum of length ##b## and bob with mass ##m## is attached to a massless support moving vertically upward with constant acceleration ##a##. Determine (a) the equations of motion and (b) the period for small oscillations. 2. Formulas ##U = mgh## ##T = (1/2)mv^2...

Hi, The reason I'm posting this is because I'm trying to understand how to interpret the wave function of a particle. I'm trying to decide which interpretations of quantum mechanics are just speculation, and which ones are consistent with experimentation. I know that quantum objects such as...

Ultrasonic Standing Wave Suspension could the transducer support itself? Essentially looking at items that state a surface area of 1m2 could support 11.5kn at 16 Watts (Hemsel, 2013) could the transducer suspend itself from the reflector using the same theory even though the suspension point is...

I have been looking at new weight benches recently. Whilst I can appreciate this is not a weights training forum I think the mechanical loads and the equipment designs can best be discussed here, I´d like an engineers professional input. Something that's rather obvious is that as benches get...

Hello! Everyone, I am Lincoln from Singapore. I am from mechanical background. Recently, I am handling a rain-water tank with sump pumps project. May I seek you guys who are in electrical expertise for some professional advice for the following: Is the DOL starter possible to support...

Hello, I am working on a project to be able to support a spray bar assembly with a pipe with a specific diameter. The spray arms, fully extended, sit at 45 deg on hydraulics. To perform maintenance, these hydraulics must be turned off, so a way to support this is needed. The support pipe 103"...

I think this is the right forum to start this thread, if not i am sorry please somebody change it . suppose a planet is in the right distance from its star and it is rocky , has water and atmosphere but the only thing is it's not rotating itself , i mean it's always facing it's star , then...

Hello Folks. I am writing a Sci-Fi Tale set in the late 22nd century and I need some Help designing some aspects of the ship in my story. I started asking advice for this story in a different thread but seeing as how the topic as become more specific I figured it deserved a dedicated thread...

Draw the shear and moment diagrams for the beam in the figure. Clearly show all values, including the maximum shear and maximum moment and their positions on the diagrams. Assume the supports at A and C are rollers and D is a pin support. note there is a hinge at point B. I am having trouble...

...and to a larger extent, the mainstream environmentalist movement. Here's an article on CNN.com, with one author being the founder of Earth Day and the other I can't identify (no bio provided for either): http://www.cnn.com/2014/04/22/opinion/hayes-denman-solar-power/index.html?hpt=hp_bn7...

I'm looking for a native app of Google Scholar on my iPhone. However, I can't find out the best apps.

I believe full duplex is possible due to separate send and receive cables, and not whether the repeater broadcasts any income signal, So, can we discuss this, I want to agree to my self that if you connect a send and receive cable to the hub, then the hub takes care of the send alone, and...

Lycra sheet + support + massive balls = "Gravity Visualized" Neat "rubber sheet" analogy of the curvature of space time on YouTube. Skip to 5:57 for orbits around the Earth moon system if you don't have time to see the whole thing. Would have been nice to see that demo as a kid. Url of...

Traction-slip control: braking a low mu-wheel to "support" driving tor I've been doing some studying on traction-slip control(ASC). I've also been trying to draw comparisons between ASC with differential locking mechanisms on a μ-split situation. I don't quite understand how braking the μ-low...

I think the date is April 8, 2014. So assuming this means no additional fixes will be made for Windows XP, will it still be possible to activate a re-installed version of Windows XP, say one slip streamed to SP3, and then download and install all the updates that were made? If not, I guess...

Homework Statement A horizontal bar is used to support a 75-kg object between two walls. The equal forces F exerted by the bar against the walls can be varied by adjusting the length of the bar. Only friction between the ends of the bar and the walls supports the system. The coefficient of...

Lets say there is a gas giant similar to Jupiter orbiting a yellow star similar to our Sun. The planet and moon orbit at a distance that would resemble in between Mars and Earth. So the moon would receive 70% the sunlight that Earth receives. Around this planet exists a moon with 0.064 Earth...

I've heard of people getting PhDs while raising families and I'm wondering if anyone has any experience with this. I currently work as a software engineer and I have a wife and two kids. I don't want to throw my family into financial turmoil but I'd love to have a more intellectually...

I am trying to see whether science supports the idea of free-will. I don’t mean the illusion of unpredictability that arises from not understanding all the variables. I mean the type of free-will where you can say ‘I want X to be at position Y at the time Z. I am wondering whether any field of...

Homework Statement A uniform thin rod of weight W is supported horizontally by two bricks at its ends. At t=0 one of these bricks is kicked out quickly. Calculate the force on the other support immediately thereafter - it should be in terms of W.Homework Equations T=IA F=ma W=mg I=mr^2/3...

I have trouble identifying what moments and forces are due to a support http://postimg.org/image/a2xux5qjx/ Can someone explain the moments and forces (and their directions) due to the support in this picture? http://postimg.org/image/kto0b0ft3/ Why isn't there a MAx and Ax due to the...

A rescue helicopter of mass 810 kg, supports itself in a stationary position by imparting a downward velocity, v, to the air in a circle of radius 4.0 m. The density of the air is 1.20 kg m-3. Calculate: (i) the value of v (ii) the power, P, required to support the helicopter So, I do...

Homework Statement http://postimg.org/image/60w1pznz9/ Are the forces at A the same for members ADE and member ABC? Likewise, are the forces at D the same for members FDB and ADE?

Does amorphous solids support phonons or nomal modes of vibration.?? Can we apply the concept of phonons and Debye Model in case of amorphous and poly-crystalline solids?? http://en.wikipedia.org/wiki/Phonon http://en.wikipedia.org/wiki/Debye_model The links I have attached above...

I would like to know how this article applies to the possible existence of FTL particles. Does it point to a possible violation of c as the ultimate speed limit of a particle? In layman's terms what is this paper saying? http://arxiv.org/abs/1309.3713 Thanks

If motion of an object obeys the wave equation, then it will display wave like behaviour. If you solve the wave equation, you get things like y = Asin \frac{2∏}{\lambda}(x - vt) which is a sinosodial wave. But from the second order differential equation v^{2}\frac{d^{2}y}{dx^{2}} =...