Support Definition and 385 Threads

Technical support (often shortened to tech support) refers to services that entities provide to users of technology products or services. In general, technical support provides help regarding specific problems with a product or service, rather than providing training, provision or customization of the product, or other support services. Most companies offer technical support for the services or products they sell, either included in the cost or for an additional fee. Technical support may be delivered by phone, e-mail, live support software, live chat or website, or other tools where users can log an incident. Larger organizations frequently have internal technical support available to their staff for computer-related problems. The Internet can also be a good source for freely available tech support, where experienced users help users find solutions to their problems. In addition, some fee-based service companies charge for premium technical support services.

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  1. D

    Power required the support a helicopter

    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...
  2. P

    Support Reactions: Forces at A & D

    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?
  3. N

    Does amorphous solids support phonons or nomal modes of vibration.?

    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...
  4. F

    Does this article support the existence of FTL particles?

    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
  5. D

    Why does the wave equation support wave motion?

    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}} =...
  6. C

    Why Does My Pendulum Pin Support Reaction Calculation Differ from 299N?

    I've got a similar question to http://www.chegg.com/homework-help/questions-and-answers/pendulum-consists-10-kg-uniform-slender-rod-15-kg-sphere-pendulum-subjected-torque-m-50-n--q2722886 for homework. I applied the same steps I used on my homework question to this problem and I get a different...
  7. L

    Transformations of variables support set

    Hi, I understand the transformations of variables concept, getting the Jacobian and so on, but I am having trouble with defining the support sets. For example, given that I have a joint pdf of x and y to be xy, and a new variable U=X/Y and V=XY, I get the X=sqrt(UV) and Y=sqrt(V/U), where x...
  8. A

    New Physics Complications Lend Support to Multiverse Hypothesis

    "New Physics Complications Lend Support to Multiverse Hypothesis" From Scientific American: Bolded by me. While certainly not enough to definitively prove the existence of a multiverse, from the way the article reads it does sound like the Standard Model has some holes in it. I...
  9. J

    Pipeline structural Support loading case from riser pipeline.

    Hi all, I am trying to designing a structural pipeline support. The pipeline is at a 60 degree angle and is connected to a riser pipeline - I have the transferred loads that the pipeline will experience from the riser and have created an FBD. I initially thought the load that the support...
  10. B

    Rquired bolt size to support gantry

    Hello all, Just thinking of this in my head, and maybe over thinking it. First a description of the problem,If i have two upright I beams, and an I beam spanning from one to the other. The horizontal beam isn't sitting on top of the two uprights, but bolted to the face of them. In calculating...
  11. Greg Bernhardt

    News Will the New Internet Sales Tax Affect Online Shopping?

    So the bill passed the senate. Will it pass the house? Do you support it? As someone who buys most things online I'm against it, but it's hard to justify. http://money.cnn.com/2013/05/06/pf/taxes/internet-sales-tax-vote/index.html
  12. J

    Optimizing Truss Design for Pipeline Support: Initial Analysis Methods

    I am attempting to redesign a truss structure for a pipeline support. I would like to find out how best to go about the initial analysis. I have attached a drawing of the pipeline in question and labelled the axial force I am working with. The pipeline is at 60° and the shaded area shows the...
  13. K

    How to find support reactions in frames

    how to find support reactions in frames
  14. schmiggy

    Optimising Support Location - Bending moments

    Homework Statement Firstly, I know posting images and asking for help is generally frowned upon, however in this case given the number of diagrams and equations involved I'm hoping it's warranted. So we're given a diagram as at the top of the attached image and we're asked, given most of the...
  15. I

    Is support force a true force ? it seems incompatibe with F=ma

    Is "support force" a "true force"? it seems incompatibe with F=ma For example if a box is sitting on a table, not moving, it is said that the table exerts a support force on the box. But the box and the table are both inertial right? so if F = ma (force = mass x acceleration) and...
  16. S

    Calculating support reactions in a beam

    Homework Statement Trying to calculate the support reactions here. Homework Equations ƩFy = 0 ƩMA = 0The Attempt at a Solution Well I've come up with the first equation (I assume two are needed to solve for both support reactions from the above equations). ƩFy = 0 RA + RB (up) = 10kN +...
  17. O

    Centripetal force. Radius is not given. Find tension in each support

    There is this problem that I have been trying to do but I just cannot understand how to approach it. I have been doing centripetal problems for hours so maybe I am just tired. The thing is that I do not see an equation I can use to cancel out radius since the radius is not given. I have...
  18. C

    Understanding Fixed Support in Statically Indeterminate Problems

    I've just started to learn about how to solve statically indeterminate problems and I just want to check my understanding. If I've got a fixed support at x=0 then does that mean \frac{dv}{dx}=0, where x is distance along beam and v is deflection? As in the picture here,
  19. StevieTNZ

    Support Evo's and My business adventure

    So whilst Evo and I discussed the news of the day, the greatest idea came to Evo. She said we should be psychics. If anyone doesn't know what a psychic is, summed up they are people who prey on the stupid and speak nonsense in return for money. I have noticed on The Real Housewives of...
  20. N

    Calculate the Support Reactions at A and B as a Result of the Force

    Homework Statement The load per foot of beam length varies as shown. For x = 17 ft, the unit load is 373 lb/ft. At x = 0, the load is increasing at the rate of 41 lb/ft per foot. Calculate the support reactions at A and B. The reactions are positive if upward, negative if downward. I have...
  21. A

    Calculating Support Forces in Statics: Solving Equations for A and B

    I've been trying to figure this out for 4 days now. I'm completely stumped. I've attached a picture of the diagram: http://postimage.org/image/t3d5i0l1v/ I found the force in F: F = 25.04 lb ---> 16.92i + 18.46j Now I need to find the support forces at A and B. I'm not sure if this is right...
  22. D

    Master's Programs in Physics: Finding Financial Support

    Hello, all. I'm looking into applying to master's programs in physics. Unfortunately for me, it seems that very few schools provide fellowships and assistantships to master's students in physics. And, by very few, I mean to say that I haven't found a single one yet. In your experience is this...
  23. S

    Hanging a glass cryostat from a metal support

    Hi, I'm looking to hang a glass cryostat that has a glass bevelled flange at the top. If the cryostat stands vertically, the flange is angled at 45 degrees. Like this (more or less; the silver underscore is just a place holder to get the shape approximately right): \___/ |__| |__|...
  24. K

    Working out support reaction of a frame - Statics

    Homework Statement For the frame shown (see attached picture) , work out the horizontal reaction at B (ie find Bx)Homework Equations EQUILIBRIUM EQUATIONS: sum of moment = 0 (CCW is positive) sum of vertical forces = 0 (up is positive) sum of horizontal forces...
  25. G

    Torque equilbrium involving support rod?

    Homework Statement A uniform 300-kg beam, 6 m long, is freely pivoted at P. The beam is supported in a horizontal position by a light strut, 5 m long, which is freely pivoted at Q and is loosely pinned to the beam at R. A load of mass is suspended from the end of the beam at S. A maximum...
  26. R

    Axial traction of a beam on support

    hello My question is rather off the usual queries concerning beams, which is maybe why I'm struggling to find a solution. If we suspend a totally rigid beam at its extremities with springs to measure forces, the springs will both indicate q x L /2. If the beam is supple, it will sag and...
  27. I

    Find the joint distribution of 2 R.V defined on a triangular support

    Find the joint CDF of 2 R.V with joint PDF of triangular support Homework Statement Given the 2 random variables X and Y, their joint density given by: f(x,y) = c(x + y^2) for all (x,y) in the triangle 0<y<x<1 and f(x,y) = 0 elsewhere. Compute the joint distribution function F(X,Y)...
  28. mheslep

    News Progress in Afghanistan: International Support, Articulated Plan?

    Since the invasion in 2001, I count 27 countries that have sent troops to Afghanistan at one time or another. But I'm finding it difficult to determine which nations are still involved? There are news reports over the years about who has left, though that's long way around to arrive at today's...
  29. C

    What are the reactions at the support? (momentum)

    I am taking this course online, and in one of the slides there is this example, but i can't figure out the signs in the momentum formula. THANKS! so here is the exersice:
  30. K

    Could this hypothetical xoplanet support life?

    Here is a brief detail on the planet i created. Mass .218 Earth's, density 5.62 g/cm3, radius .60 Earth's, surface gravity is .602 Earth's It has 1 moon that has 5% the mass of the main world orbiting 300,000 miles above the surface. It orbits a sun like star, same luminosity and mass every 342...
  31. K

    Beam support conditions (Boundary Conditions) in practice

    Hi all. Let's say I want to reproduce the support conditions for a beam. The easiest one I could think of is fixed end. Like I hammer an end of the beam into the wall. This represents fixed boundary condition. Likewise can anyone point out how to reproduce Simply supported end condition in...
  32. R

    Pipe stress analysis for spring support selection

    Dear all, Welcome to this post. I have a question. I have a main piping loop around a cylindrical vessel for which stress analsysis is don't and supported properly. Additonal six loops are to be installed in that main loop. This additional weight is coming on the main piping loop. The...
  33. K

    Re: MIPS - Making a 64 bit number when you only have 32 bit register support

    Hey guys I've been working on this program for just over a week now and I just can't seem to find any way around my problem. The problem I'm having is: I'm trying to add 32 bit numbers together and if there is an overflow then I'd like to find a way to output the result as a 64 bit number. I...
  34. K

    MIPS - Making a 64 bit number when you only have 32 bit register support

    Hey guys I've been working on this program for just over a week now and I just can't seem to find any way around my problem. The problem I'm having is: I'm trying to add 32 bit numbers together and if there is an overflow then I'd like to find a way to output the result as a 64 bit number...
  35. D

    Sign the e-petition to support pi

    Here is a petition about supporting pi against tau. So if you think that pi should not be changed, please sign this petition: http://www.change.org/petitions/khan-academy-withdraw-the-support-for-tau. I'm not sure if the petition will help, but... P.S. If this petitions are not allowed, by...
  36. J

    Support force vectors for a fixed rigid body

    Hello all! I'm a programmer looking to put together a system modeling the force a character's limbs exert on the environment as that character moves around. Characters can either grasp (with a hand) or press against (with a foot or something) viable contact points in the environment in order...
  37. R

    Determining the deflection of a support rod during acceleration

    Hi all, I'm currently designing a housing for a camera and omnidirectional mirror for a robot. The housing is connected to the robot through a rod of about 25mm diameter. ...{...}... (housing) ...|... (rod) ...(___)... (robot base) I'm trying to compute the deflection in the rod when the robot...
  38. M

    Need to support horizontal spinning tire: turntable or thrust bearings?

    Hi everyone. I need to create a mechanism involving a 12" diameter horizontal tire, spinning at 3000RPM, with 2kg mass. The wheel will be attached to a spinning shaft. The only thing, I need to support the wheel from the bottom using flat bearings of some sort, so it can spin freely...
  39. K

    How many VDC will 120VAC support?

    I am looking to install 6 48VDC power supplies and I am curious as to whether or not I can operate all 6 power supplies off the same 120VAC source. I am not sure if 120VAC means that I can only operate a max of 120VDC.
  40. D

    How much does a person need to be able to live on his own without any support?

    I've been thinking about it once I graduate from college and going to support myself in grad school. That means no financial support from family and owning no property of my own (no car, no bike, no house which means I will rent, etc). So how much would a person need? I heard most grad...
  41. M

    Thickness of material to support a heavy load

    My situation is i have a 10kg battery that is mounted on top of a plastic material. How would i exactly calculate the right thickness for the plastic to support the 10kg battery?
  42. T

    News Why do liberals support immigration so much?

    I agree with most liberal ideas, because they're usually rational, but the one thing I don't think is rational are their ideas about immigration and affirmative action. Why do they support the continuation of legal immigration as it is, and why do they support giving amnesty to illegal...
  43. V

    The best place for a beam support?

    Question 1: On a typical wooden hanging sign you have three pieces of beam. One main beam extends upwards from the ground and at the top a beam slices through this (so that on one side of the slicing beam there is more beam than the other) with the sign hanging down from the longer section...
  44. A

    How to support a sign on our museum wall?

    Hi all, I went to an engineering school 40 years ago but never finished, so I kind of know that this is easily solveable. I have a triangular sign 12' long (attached to wall) that is 2 1/2' thick and sticks out from the wall 6'. If I use 2 guy wires anchored to the wall 12' apart, that...
  45. L

    Angular momentum of ball spinning on a pendulum around a support point

    Homework Statement A ball (mass M: 0.250kg) is attached to a rope (length l: 1.69m) that is fixed to a point somewhere. The ball is spinning in a circle around the support point so that the rope makes an angle 37 degrees from the vertical. I have to find the magnitude of the angular momentum of...
  46. turbo

    A horrible experience with ISP tech support.

    My wife wanted a laptop, and she got a nice bonus this year, so I bought her an ASUS. After checking for compatibility issues, I also ordered a wireless DSL modem/router. I stayed with Actiontec because that's the brand my ISP provides. I tried to Auto-Config the modem with no luck, so I...
  47. Gh778

    Weight of the support of a pendulum with initial speed

    Hi, I'm interresting about the weight of the support of the pendulum with an initial speed. It is the http://en.wikipedia.org/wiki/Pendulum but with an initial speed. The mass come at top with straight initial speed and after turn around the pendulum. I attempt to have the weight of the...
  48. O

    Classical Mechanics: Lagrangian for pendulum with oscillating support

    Homework Statement Greetings! This is an example problem at the end of Chapter 1 in Mechanics (Landau): A simple pendulum of mass m whose point of support oscillates horizontally in the plane of motion of the pendulum according to the law x=acos(\gamma t) . Find the Lagrangian...
  49. T

    Star whose pressure support is degenerate electrons.

    My professor gave us a question to think about for discussion next week. He asked how the radius of a star, who is composed of ionized hydrogen and degenerate electrons, varies with mass. I am not quite sure where to start. How could I estimate the radius?
  50. J

    Cohomology with compact support

    Hi there. I'm looking at Poincare duality, and there's something extremely wrong with the way I'm looking at one or more of the concepts and I need to figure out which. When dealing with non-compact manifolds, you can fix Poincare duality by looking at something called "cohomology with...
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