Table Definition and 926 Threads

A table is an item of furniture with a flat top and one or more legs, used as a surface for working at, eating from or on which to place things. Some common types of table are the dining room table, which is used for seated persons to eat meals; the coffee table, which is a low table used in living rooms to display items or serve refreshments; and the bedside table, which is used to place an alarm clock and a lamp. There are also a range of specialized types of tables, such as drafting tables, used for doing architectural drawings, and sewing tables.
Common design elements include:

top surfaces of various shapes, including rectangular, square, rounded, semi-circular or oval
legs arranged in two or more similar pairs. It usually has four legs. However, some tables have three legs, use a single heavy pedestal, or are attached to a wall.
several geometries of folding table that can be collapsed into a smaller volume (e.g., a TV tray, which is a portable, folding table on a stand)
heights ranging up and down from the most common 18–30 inches (46–76 cm) range, often reflecting the height of chairs or bar stools used as seating for people making use of a table, as for eating or performing various manipulations of objects resting on a table
a huge range of sizes, from small bedside tables to large dining room tables and huge conference room tables
presence or absence of drawers, shelves or other areas for storing items
expansion of the table surface by insertion of leaves or locking hinged drop leaf sections into a horizontal position (this is particularly common for dining tables)

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  1. K

    Moments and weights of a table lamp

    Homework Statement The weight of rod AB is 4[N] and that of piece D is 10[N]. the moment at joint C is 1.8[Nxm]. what is the weight of rod AC. Homework Equations Moments: ##M=F\cdot L## The Attempt at a Solution Rod AB doesn't contribute to the moment at C: $$10\cdot 15+180=W_AC\cdot...
  2. goonking

    Calculating Force Needed to Pull Chain Onto Table

    Homework Statement Homework Equations W = F d F = ma The Attempt at a Solution so in order to get the whole chain on the table, we need to pull the chain 0.65 meters onto the table. since 0.65 meters is hanging off the table, the gravity is acting on it, therefore F=ma where m is half the...
  3. S

    Question about the periodic table arrangement

    Hi, I'm new here. I'm actually studying the periodic table and while collectting the data on excel i noticed something. I wouldn't see it with the usual display of a periodic table but when you put it all in a sheet, ligns after ligns it become obvious to me. Argon Ar (noble gaz) is followed...
  4. C

    Table saws, back tooth kickback and flying lumber

    Table saw kick-back is separated into two categories: 1) straight line kickback: when the material is pushed against the blade without perpendicular resistance applied to the material between the blade and the fence. --materiel shoots like an arrow straight back. 2) back tooth kickback: when...
  5. Kiarash

    Table needed. Chemists help please

    Hi everyone! I am researching on Metals Work functions, and I need a table of distances between molecules! I searched on the web almost a week, but I didn't found at least A table. Please help me! If it is in a book, tell me the name of the book, or tell me where can I find it. Any help would...
  6. Cake

    Find Velocity and Position of Mass on Frictionless Table

    Homework Statement This Problem involves solving a simple Diff. Eq. A block of mass m slides on a frictionless table. It is constrained to move inside a ring of radius L that is fixed to the table. At t=0 the block is moving along the inside of the ring (In the tangential direction) with...
  7. Jewish_Vulcan

    Which mass number is shown on the periodic table?

    There are many different mass numbers for a given element known as isotopes. Are elements on the periodic table isotopes of their element? Why not use the average of all the mass numbers for an element?
  8. thankz

    Simple Pivot Table Code Example: Step-by-Step Guide

    where can I find an example of a SIMPLE snippet of code used to create a pivot table?
  9. M

    Mathematica Referring to elements of a table in Mathematica

    See title. I have a table that I've named B. And I want to create table that is essentially the change in values of B. If I was writing this on paper I would say: Let ##b_i \in B##, for ##0\leq i\leq100##. Then let ##c_i \in C## such that ##c_i= b_{i+1}-b_{i}##. I don't know how to say that in...
  10. H

    Calculating Maximum Weight on a Tipping Table with a Cat: Torque Analysis

    Homework Statement http://imgur.com/dMw79w1 The image contains the problem as well as the answers to the previous problems. Homework Equations Net torque = 0 The Attempt at a Solution First, I set the axis of rotation to be the bottom of the table (where it goes through Fx and F0) τdue to...
  11. K

    Calculating Force Table Vector Equilibrium

    Homework Statement calculate f3 weight and degree base on weight and angle given for f1 and f2, the whole thing has to achieve equilibrium. Homework EquationsThe Attempt at a Solution i forgot to copy down the formula since our team's equipment malfunctioned from the get go, so we spent the...
  12. M

    VHDL equations to table of truth

    Homework Statement I have a quick question here, Since I have s_o(o) and s_o(1) do I do 2 table of truth for those or mix both and do one table of truth? the (1)/(0 ) are confusing me. Homework Equations w_o <= not d_i and (b_i(1) or d_i); s_o(0) <= d_i or b_i(1); s_o(1) <= not b_i(0) and...
  13. M

    Engineering Building a logic circuit from a truth table

    P.S I know I am not supposed to use attachment but there are no way for me to input the table in a clean way... same for the logic circuit drawing. Would anyone mind helping me? 1. Homework Statement Homework Equations AND gates require both input to be True to get a true ouput NOT gates...
  14. M

    Proving a tautology using truth table

    Homework Statement ((p_r)^(q_r))<-->((p^q)_r) Prove whether the following statement is a tautology , contigency or contradiction using a truth table. Homework EquationsThe Attempt at a Solution I did the truth table, but this whole thing is one statement no? What do I compare? the first half...
  15. Nathanael

    Coefficient of friction; rod slipping off edge of table

    Homework Statement A rod of mass M and length L is placed horizontally on a table such that the center of mass is a distance L/6 from the edge of the table (CoM is hanging off the table). The rod is released from rest and slips after reaching an angle θ. Find the coefficient of friction \mu 2...
  16. G

    Answer Work & Kinetic Energy for Mass m Whirling on Table

    Homework Statement Mass m whirls on a frictionless table, held to a circular motion by a string which passes through a hole in the table. The string is slowly pulled through the hole so that the radius of the circle changes from ##l_1## to ## l_2## Show that the work done in pulling the string...
  17. 22990atinesh

    Problem on Probability -- Hash Table & Collisions

    Homework Statement Consider a hash table with ##n## buckets, where external (overflow) chaining is used to resolve collisions. The hash function is such that the probability that a key value is hashed to a particular bucket is ##\frac{1}{n}##. The hash table is initially empty and ##K##...
  18. M

    Matlab Issue with aligning text in table format in .txt file

    Homework Statement uData is a 30x5 matrix with numbers. name_Database is a 30x1 cell array with strings of Names (e.g. Fake Subject 1, Fake Subject 2, Bob). What would fix the code so that the data aligns? (please see image for the misalignment). Homework EquationsThe Attempt at a Solution...
  19. L

    Make substitutions for W & K to be able to use integral table

    Homework Statement [/B] Find a substitution w and a constant k so that the integral x^5 e^(bx^2) dx can be written in the form kw^2 * e^(bw) dw, and evaluate the integral (answer may involve the constant b). Homework Equations Integral of x^2 e^bx dx = e^bx ((x^2 / b) - (2x/b^2) + (2/b^3)...
  20. Monique

    How can I restore an antique table without completely refinishing it?

    Today I bought this really cute little antique table made out of solid wood. The top however is in poor condition, the finish is worn through in many places. The rest of the table is fine, what is the best way to fix it up? I don't want to refinish the whole thing, I like to keep the original...
  21. T

    How Do You Use a Z-Score Table for Probability Calculations?

    Homework Statement Let X be a normal random variable with mean 80 and standard deviation 5. What is the probability X is greater than 87? Less than 74? I understand how to compute the z score but I'm confused as to when I have to keep the number from the z-table or subtract 1 Homework...
  22. M

    Drawing a Graph using Integral Equation

    Homework Statement Ok guys, its been a while since I have done this one so I don't even know where to begin. Here is the problem I have to complete: The power (in watts) from an engine is represented by the equation below, where t is the time in seconds. P = 30t^2.2 + 3t 1) Draw a table...
  23. L

    Finding minimum push force for a table

    Homework Statement The coefficient of static friction between a static friction and a 20kg table and the floor is 0.29. The coefficient of kinetic friction between the same surfaces is 0.25. How much minimum push force is required to get the table moving? How much push force is required to...
  24. O

    MHB Table Functions Explained: Help for Understanding

    I do not get what is going on here. Can someone please explain? This is sohard for me to understand. thank you
  25. C

    MHB Finding the log by using the proportional table

    Logarithms N 0 1 2 293 46687 46702 46716 294 46850 46835 46864 295 46982 46997 47012 Prop. Pts 1 1.6 2 3.2 3 4.8 4 6.4 5 8.0 6 9.6 7 11.2 8 12.8 9 14.4 Find the value of $\log\left({29517}\right)$ Work: 4+$\log\left({2.9517}\right)$ Thanks for your help
  26. S

    Rope Through a Hole in a Frictionless Table

    Homework Statement A uniform rope of length L lies in a lump on a frictionless table. a very small piece at one end is held hanging down through a hole in the table just below the lump. This system is released, and the rope slides down through the hole. What is the speed of the other end of...
  27. Satvik Pandey

    Finding Angle of Sphere Falling From Table Edge

    Homework Statement A solid spherical ball is placed carefully on the edge of a table in the position shown in the figure. The coefficient of static friction between the ball and the edge of the table is 0.5 . It is then given a very slight push. It begins to fall off the table. Find the angle...
  28. Mogarrr

    Contingency Table Interpretation

    Homework Statement 10.24 Is there any relationship between the type of treatment and the response? What form does the relationship take? Here's that data (column variables are responses): \newcommand\T{\Rule{0pt}{1em}{.3em}} \begin{array}{|c|c|c|c|c|} \hline Treatment & +Smear &...
  29. T

    Multiplication Table Question

    Why do many multiplication tables for grade school students go up to 12x12, when a table up to 9x9 is sufficient for any multiplication problem?
  30. E

    MHB What is the solution (rational function/interval table)?

    What is the solution of |x/(x-2)| < 5 ? So, I did this the usual way of moving over the 5 to the left side and then cross multiplying and simplifying etc. However, I keep getting the wrong answer. I got x < 5/3 and x > 2, while the answer in the book says that it's x< 5/3 and x > 5/2. What...
  31. R

    What are the most reactive elements in the periodic table?

    What are the most reactive elements in the periodic table?
  32. zubair

    Having trouble combing through PDG's site

    Hey Folks, I wanted to put together a single spreadsheet of subatomic particles (e-, ν, b, t, π Ξ, Σ, Δ, etc.) and their properties that have been measured (mass, mean lifetime, valence quark content, charge, spin, parity, etc.). I have been looking through the PDG website for some way to...
  33. P

    What Determines if a Fixed-Leg Table Can Flip?

    I'm arguing with a friend regarding the condition for a table to flip over assuming that the right contact point of its right leg with the ground (denoted hereafter by O) is held fixed i.e. the table cannot slip. The upper horizontal plate is a sort of a rod with mass m and both legs are...
  34. Satvik Pandey

    How Long Will It Take for the Entire Chain to Slide Off the Table?

    Homework Statement There is a chain of uniform density on a table with negligible friction. The length of the entire chain is 1 m. Initially, one-third of the chain is hanging over the edge of the table. How long will it take the chain (in seconds) to slide off the table? Homework EquationsThe...
  35. D

    How to Identify the Phase of Steam Using a Thermodynamics Table?

    Homework Statement [/B] Determine the phase of the steam (compress liquid, saturated liquid, saturation mixture, saturated vapor, superheated vapor, or supercritical vapor). Use A-4 Table. T=110 Celsius P=55.732 kPa Homework Equations A-4 Table...
  36. J

    Thermo Properites Table Hw Question

    Homework Statement R134a rests in a compressed fluid can at 120psia, and a specific volume of 0.38ft3/lbm. What is its temperature and quality? Half of the mass is now vented off to the atmosphere. The can is allowed to exchange heat with the surroundings at 100°F until they are in thermal...
  37. M

    How well do you know the multiplication table?

    I'm now a 19 years old undergraduate physics student. I've a reasonable proficiency with calculus (well, no really...) but if you ask me 6*7 (unlike my mother and many other older people I know) I'll take awhile until I come up with an answer (I'll ask myself 6*5 and then add 12 to that result)...
  38. D

    Truth table to equation question (comp Sci)

    Homework Statement http://imgur.com/BSntip0The Attempt at a Solution for part a, i got the solution to be F1 = xy'+x'y= x⊕y (XOR) , F2 = x .y (AND) for part b i don't understand how i would derive an equal equation that uses only NAND which is (xy') and inverter which is x'
  39. W

    Pressure, temp, volume change of water vapor, and steam table clarity

    Homework Statement Two pounds of water vapor at 30 psia fill the 4ft^3 left chamber of a partitioned system. The right chamber has twice the volume of the left and is initially evacuated. Determine the pressure of the water after the partition has been removed and enough heat has been...
  40. N

    Mass m and table ( how big Q I'm pushing )

    http://3.bp.blogspot.com/-d-P219mnzkM/VA7NfcUiroI/AAAAAAAAB9g/q_NJrbt4UfM/s1600/CIMG3315.JPG 300 km/s respect to Earth = 330 or 270 km/s respect to Sun how big foce will register table's leg ? Symetry ? respect to what mass m is pushing pipe's wall ( how big friction left/right mass )...
  41. C

    Where should hydrogen be placed in the periodic table?

    Hi all, I was always of the belief that hydrogen did not belong to any group in the periodic table. After discussions, some say that a group 1 or 7 place might be more suitable. Any opinions would be welcomed hopefully from a physics point-of-view on this topic.Thanks in advance
  42. P

    Lagrangian of Two Masses on a Table

    This is a problem from the Goldstein text. It gives two point masses ##m_1## and ##m_2## connected by a string (negligible mass), where ##m_2## is suspended by the string through a hole in a smooth table; ##m_1## rests on the table. It is important to note that ##m_2## only travels in a vertical...
  43. T

    Calculating Stability: Finding the Tipping Point of a Table

    Homework Statement How close to the edge of the 26.0-kg table shown in the figure (Figure 1) can a 64.0-kg person sit without tipping it over? Homework Equations ∑F = 0 ∑T = 0 The Attempt at a Solution forces A (left leg) and B (right leg) are the forces from the two legs of the table...
  44. J

    Scaling down a table saw miter gauge

    I need to build a table saw miter gauge at about 1/4/-1/8 scale. The center axis of rotation seems pretty straightforward - I have many old rollerblade bearings - but I have no idea how to do the handle assembly (the cylindrical screw arrangement that locks and unlocks the angle) and the sliding...
  45. BrainMan

    How Does a Woman Walking on a Turntable Affect Its Rotation?

    Homework Statement A woman whose mass is 70 kg stands at the rim of a horizontal turn table that has a moment of inertia of 500 kg * m/s and a radius of 2 m. The system is initially at rest, and the turntable is free to rotate about friction less vertical axle through its center. The woman...
  46. Z

    Solving Anova Table? (stats problem)

    Here is the problem: The data referred to in this question were collected on 41 employees of a large company. The company is trying to predict the current salary of its employees from their starting salary (both expressed in thousands of dollars). The following is ANOVA table for simple...
  47. O

    Does Water on the Table Improve Flip Cup Success?

    Hi everyone, first time post here. Sorry if this isn't the place to ask, but I'm looking to settle disagreement and thought someone here might have the knowledge to set me straight. This is a slightly off color question to start with, and my lack of expertise in any science is not helping the...
  48. R

    Calculating Marble's Fall from a Table Height

    Homework Statement A marble is accelerated to a horizontal velocity of 0.50 m/s by rolling it down a small ramp. The marble rolls off the table, which is 0.78 m high. As it falls, it hits a barrier on the way down. If the barrier is 0.15 m from the edge of the table, at what height from the...
  49. R

    MHB Create a Truth Table: (p ^ q) ->(p ▼ ~q)

    (p ^ q) ->(p ▼ ~q) Need help creating a truth table (6 columns) for the above.Thanks
  50. A

    A clasic mechanics problom with a moving table

    Homework Statement "On a horizontal table without friction it's a cube of mass M=70 kg and on the cube it's a body of mass m1=1kg. The body m1 it's conected by a cord with an other body of mass m2=4 kg, situated at hight H=1,5 m above the table. The sistem starts from 0 velocity. What it's...
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