What is Drawing: Definition and 558 Discussions

Drawing is a form of visual art in which an artist uses instruments to mark paper or other two-dimensional surface. Drawing instruments include graphite pencils, pen and ink, various kinds of paints, inked brushes, colored pencils, crayons, charcoal, chalk, pastels, erasers, markers, styluses, and metals (such as silverpoint). Digital drawing is the act of using a computer to draw. Common methods of digital drawing include a stylus or finger on a touchscreen device, stylus- or finger-to-touchpad, or in some cases, a mouse. There are many digital art programs and devices.
A drawing instrument releases a small amount of material onto a surface, leaving a visible mark. The most common support for drawing is paper, although other materials, such as cardboard, wood, plastic, leather, canvas, and board, have been used. Temporary drawings may be made on a blackboard or whiteboard. Drawing has been a popular and fundamental means of public expression throughout human history. It is one of the simplest and most efficient means of communicating ideas. The wide availability of drawing instruments makes drawing one of the most common artistic activities.
In addition to its more artistic forms, drawing is frequently used in commercial illustration, animation, architecture, engineering, and technical drawing. A quick, freehand drawing, usually not intended as a finished work, is sometimes called a sketch. An artist who practices or works in technical drawing may be called a drafter, draftsman, or draughtsman.

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  1. J

    Electric Field Lines for Two Objects on a Frictionless Table

    Homework Statement In the diagram, two small objects, each with a charge of -4.0nC, are held together by a 0.020 m length of insulating string. The objects are initially at rest on a horizontal, non conducting frictionless table & the effects of gravity on each other are negligible. (b)...
  2. P

    Probability of drawing a kind from a deck of poker

    Homework Statement Find the probability that a hand of five cards in poker contains four cards of one kind. Homework EquationsThe Attempt at a Solution Solution given in the book:[/B] By the product rule, the number of hands of five cards with four cards of one kind is the product of the...
  3. Y

    MHB Drawing Level Curves: Solving K=0 Problem

    Hello all, I have a question relating the drawing of levels curves. The function is: \[f(x,y)=(y-2x)^{2}\] Fairly simple if I may add. In order to draw the levels curves, I did: \[(y-2x)^{2}=k\] which resulted in: \[y=2x\pm \sqrt{k}\] So far so good. So for k=1, I get two straight...
  4. Pushoam

    Deciding holonomic constraint by drawing a picture

    Homework Statement Homework EquationsThe Attempt at a Solution I have not understood the question. So, could anyone please put some more light upon the question?
  5. Physics345

    Drawing Compounds: 3-Ethyl-3-Methylhexane, 1-Ethyl-3-Propylcyclohexane, etc.

    Homework Statement Draw the following compounds: a) 3-ethyl-3-methylhexane b) 1-ethyl-3-propylcyclohexane c) 2,4-dimethylheptane d) ethylcyclopentene e) 5-ethyl-2,2-dimethyl-3-heptene f) 3,4-dimethylhexyne g)4,4-dichloropentanal h) 2-methylbutanol i) 3,3-dichlorohexaneHomework Equations...
  6. Physics345

    Drawing Lewis structure and structural formula

    Homework Statement Draw the Lewis structure and structural formula for: a) HCN b) SO3 2- Homework Equations none The Attempt at a Solution Did I do these correctly? Thanks!
  7. P

    How to Solve a Timing Diagram with Multiple Logic Gates?

    Homework Statement Draw the diagram for the following circuit given the following conditions: 1) X=Y=Z=1 2)X=Y=1, Z=0 3)X=Y=0, Z=1 4)X=1, Y=Z=0 Homework Equations The Attempt at a Solution [/B] ##W=XZ'+YZ##, ##V=Y'Z+XY## 1) W = 0 + 1 = 1 V = 0 + 1 = 1 and now I'm not sure how to get the...
  8. kyphysics

    Have You Ever Won a Random Drawing Prize?

    I fill out receipt surveys a lot when there is a "big prize" ($1,000 usually...sometimes as low as $100 if I'm bored). Never won a drawing before. Has anyone else? Supposing one's primary reason for filling out these receipt surveys is to have a chance to win, is it mathematically just not...
  9. S

    I Drawing the contour with a branch cut

    I am trying to determine the contour required in solving part b. The branch points (poles) are at s=0 and s= -a and in between these two values, there is a branch cut. I know that the branch cut cannot be included in the contour so does this mean the poles also cannot be in the contour? Would...
  10. nomadreid

    "Allow Overlap" in "Format Drawing Canvas", Layout, Advanced

    When formatting a drawing canvas in Microsoft Word 2007, one box to click or unclick (by default, it is selected) when one goes to the Advanced settings of Layout is "allow overlap." Overlap of what?
  11. M

    Forces and Free-Body Diagrams in Real-World Scenarios

    Homework Statement I am just going over my class notes and I just wanted to clear up a few concepts regarding forces and free-body diagrams -- I'm either missing some forces or adding one too many: Identify the forces acting on objects in each of the following situations and draw a free-body...
  12. K

    Graphing Derivatives: How to Find Maxima, Minima, and Points of Inflection

    Homework Statement Only 15 Homework Equations First derivative=maxima/minima/vertical tangent/rising/falling Second derivative=points of inflection/concave upward-downward The Attempt at a Solution $$x=y^3+3y^2+3y+2~\rightarrow~1=3(y^2+2y+1)y'$$ $$y'=\frac{1}{3(y+1)^2}>0,~y\neq...
  13. alphaj

    Organic chem: draw this in line angle structure

    Homework Statement Draw this formula in line angle structure. CH3CH2OC(O)CH2CC(CH2)3CH(CN)CHO. Homework Equations None. The Attempt at a Solution I'm confused with the CC(CH2)3 part of the condensed formula. I knew I got it wrong the first time I drew it because I couldn't just tag three...
  14. A

    B How can I approach drawing v-x graphs for projectile motion problems?

    Hello sir, I'm a school going student, and this is my first post here. I'm having problems drawing v vs x graphs. I'm unable to understand what should be my general approach while trying to draw v-x graphs. (I've no problem drawing x-t, v-t, or a-t graphs). Let's say, for example, a ball is...
  15. S

    How do you graph vectors on a graph paper using their magnitude and direction?

    Homework Statement Vector A: 1.96N at 20° Vector B: 1.71N at 65° Homework EquationsThe Attempt at a Solution I change the Newtons to cm. Vector A: 1.96cm and Vector B: 1.71cm. I multiplied it by 2 so it would look bigger on the graph paper. Vector A: 3.92cm and Vector B:3.42cm. I was able to...
  16. E

    Vector Addition and Subtraction: A Guide for Homework Help

    Homework Statement [/B] For the vectors A and B (shown in the figure attached), carefully sketch: - The vector sum C = A + B - The vector difference D = A - B - The vector E = -A - B - The vector difference F = B - A Homework Equations Please explain how to do this. The Attempt at a...
  17. E

    Solving Vector Problems: Step-by-Step Guide

    Homework Statement :[/B] Draw the vectors: A.) 60 lbs at 25 degrees east of north. B.) 40 lbs at π/3 south of west. Homework Equations [/B] I've tried different things but keep getting the wrong answer. Can someone please explain how to solve these types of problems?The Attempt at a Solution...
  18. person123

    B Is the Rotation Method Accurate for Drawing an Archimedean Spiral?

    I have a concern about a method for drawing an Archimedean spiral. If a spiral is drawn by rotating a string around a rod, it would only be an approximation of an Archimedean spiral. Starting from the edge of the circle, each time the string goes around once, the change in distance from the...
  19. B

    Help (: adding vectors components.... angles, drawing.

    Homework Statement A ship traveling 55 degrees [W of N] is 65km farther north after 3.0h. What is the ship's velocity. Homework Equations sin, cos, tan? The Attempt at a Solution I know that Vground= Vair + Vwind, and that Vground = Vboat + Vcurrent, but I'm not sure if that is even relevant...
  20. Y

    MHB Drawing Complex Numbers on a Plane

    Hello all, I wish to plot and following complex numbers on a plane, and to find out which shape will be created. I find it hard to figure out the first one, I believe that the others will follow more easily (the forth is also tricky). \[z_{1}=\frac{2}{i-1}\] \[z_{2}=-\bar{z_{1}}\]...
  21. Adhil

    MHB Solving 2.43: Drawing Diagrams & Vector Lengths

    I need help with 2.43 Is there any way to solve 2.43 without drawing the diagram again? And if I must draw another diagram, will I have to guess and check the length of the vectors since all the vectors are equal?
  22. C

    Mechanical design -- What is the part shown in the drawing?

    Hello guys. In the picture below can u help me with the problems! I cannot understand what exactly should I comment about the strengths. I t would be easier if it was asking about the types of welding :) . Please give some help! Thanks in advance!
  23. J

    Software for Drawing biological processes & systems

    Looking for software for drawing biological processes and pathways between cells or even tissues. I have engineering/programming/control systems experience so I am looking for something similar in biology. The ability to define different things, different colors or shapes would be good, I...
  24. J

    Any good software for drawing control systems/flow charts out there?

    Im drawing a system using control systems engineering. It changes over time and many factors affect each other. So far I've been using draw.io for drawing program architecture and it works great but I am looking for something more directed at flowcharts/control systems. Requirements: >Layers...
  25. Asmaa Mohammad

    Which drawing represents an AC generator?

    Homework Statement A magnet bar has been installed in the vertical rotation axis of a coil. Which of these drawings represents an AC generator? 2. Relevant rules Fleming's right-hand rule.The Attempt at a Solution Fleming's right-hand rule assumes that the coil is in motion, but in the...
  26. K

    I Statistical problem of drawing colored balls from boxes

    Last week I went to a state fair which I saw a game of lucky draw. There is two sealed boxes, contains bunch of 4 different color balls: red, blue, green and white. Here is the game rule. Players make an initial draw on box one, if players get a white ball, lose the game; if getting a red one...
  27. Robert House

    Any recommendations on free CAD software?

    I am working on a project and need to create several technical drawings of buildings and structures. The technical drawings will consist primarily of floorplans, schematics, and 3D models. Recommendations?
  28. M

    Drawing constant pressure lines in flow field

    Hi PF! Can someone help me understand how to draw lines of constant pressure in an inviscid flow field, say flow around a cylinder. I am having trouble understanding how to draw these. Any help is greatly appreciated! I ask this question because I am preparing for the Q exam for PhD and one of...
  29. Janet1234

    Drawing free body diagrams (torque; rotational motion)

    Homework Statement A 500-N person stands 2.5 m from a wall against which a horizontal beam is attached. The beam is 6 m long and weighs 200N (see diagram below). A cable attached to the free end of the beam makes an angle of 45 degrees to the horizontal and is attached to the wall. Homework...
  30. nomadreid

    Word drawing canvas doesn't respect bottom/top borders

    When one types text in Word (Word 2010 on Microsoft), then obviously the text does not go below the bottom margin or above the top one. However, the Drawing Canvas (from Insert>Shapes>New Drawing Canvas) does not seem to respect these margins, not only going below or above the margins as one...
  31. Z

    How to Draw an Arc Starting at a Specific Point

    Homework Statement Hi, I am trying to draw an arc at the top of two parallel lines i.e connecting two coordinate (130, 170) & (230, 170) using the function below. I can't understand how to start the arc at a particular point. public abstract void fillArc(int x, int y...
  32. V

    Drawing the quark flow diagram for proton-pion interaction

    Homework Statement I am given the following interaction, $$\pi^-+p\rightarrow \pi^++\pi^-+n,$$ and asked to draw the Feynman (quark flow diagram). Homework Equations None; just baryon number conservation, quark flavor conservation, etc. The Attempt at a Solution First, as baryon number and...
  33. P

    Schools Technical drawing and aerospace engineering?

    I have to choose what to do at the university and I'm considering aerospace engineering, the problem is that I totally hate technical drawing, I can't help it, I don't want to do it, I am currently doing it here at high school and it's like hell, how much technical drawing is there in aerospace...
  34. A

    Drawing flux and induced EMF graphs - Faraday's/Lenz's law

    I would really appreciate some clarification about how to draw graphs showing changing flux and induced EMF. I understand that there needs to be a 90 degree phase difference as the EMF is a maximum when the flux has the greatest rate of change. However, our exam board says that the EMF can be...
  35. PhanicKnight

    How Do You Draw a Function from Its Equation?

    Homework Statement I need to draw this function: however I don't get how? I have the solution but I don't understand how do I get that from the given function. Someone please try to explain? Thanks
  36. B

    A Drawing Graphs with f(x): A Beginner's Guide

    How do I make a function that can draw this same graph ? Also, if i want to increase the frequency of the function, how do i do that ? so I am thinking f(x) = sin(x) for -1<= f(x) =0.5; f(x) = e^(x)/10 for f(x)= <=1 ; f(x) = cos(x) for f(x) >=0.5 f(x) = -cos(x) um... i do not think this...
  37. R

    Probabilistic Analysis of Drawing Cards and Dice Rolls for Success Conditions

    I am looking for a way to think about this type of problem and this is not a coursework problem 1. Homework Statement How many cards from a 52 card deck of ordinary playing cards would you have to draw to have either a flush or 4 of a kind If you have a 30 6 sided dice, how many dice rolls...
  38. S

    Assembly drawing number conventions

    Hello,can someone tell me what's the convention for numbering an assembly drawing...like the drawing no consists of hierarchy of sub assemblies and assemblies in the main assembly. For example Xyz-00-12-23-34
  39. M

    MHB Find Value of Squareroot of 3: Using the Graph & Quadratic Equation

    There is a graph in the form of $x^2-2x-3$ determine the value of $\sqrt{3}$ to the nearest decimal place by drawing an a suitable straight line What must be that straight line ? Usually these kind of problems are solved using the quadratic equation Many thanks :)
  40. M

    Help with Drawing Momentum with Virtual Method

    Hello guys I'm struggling a bit with drawing momen/[M_o], to this "frame". I will be using virtual Method. So, could you you have corrected me if it's wrong?
  41. Evangeline101

    Drawing Orbital overlap diagram for ammonia

    Homework Statement Homework Equations none This is how I was taught to draw orbital overlap diagrams in my lesson: The Attempt at a Solution [/B] I have drawn four attempts for a possible orbital overlap diagram of NH3: Attempt # 1: For this one, are the atoms arranged correctly...
  42. F

    How to get a CAD drawing machined?

    Hi. I am trying to figure out how to get a stator and rotor manufactured for a motor I am building as a learning project. Anyone have any clue how I can get a stator manufactured from a cad drawing with electrical steel ? Everything I see on the net is for large orders sigh. I have never done...
  43. D

    I Combinatorics problem on drawing sample with given mean

    I am faced with a problem in combinatorics while trying to set up a pool. Instead of explaining my real problem, I prefer to give you a simplified example: Say I am given a population of N persons of varying height ##h_i##. The height of each person ##i## in the population is known to me. Now I...
  44. S

    I First drawing of a Cartesian Graph?

    OK, so a LONG time ago I believe I saw a small drawing by Newton which represented the first true drawing of a Cartesian graph with an x and y-axis and "O" at the origin. Now (that I'm old and can't remember what I had for breakfast) I'd like to find it but can't remember where it was. Any help...
  45. MathWA

    Draw a Free Body Force Diagram for Tightrope Walker

    Homework Statement Sketch a free body force diagram for a tightrope walker balanced on a tightrope. (Use a picture that you made by right clicking the mouse in file explorer. Go to New section and select New bitmap image) Homework Equations Maybe W1d1=W0d0 or Newton's Laws of Motions The...
  46. D

    Drawing dark energy from space as a power source

    Hi. I was wondering if someone could tell me whether there is any reason to believe that one might eventually (distant future) draw power from dark energy or dark matter as a power source for spaceships. Thanks.
  47. Evangeline101

    Drawing a heat curve of ice melting

    Homework Statement Homework Equations equation with each part. The Attempt at a Solution I did part a) b) and c) on my own: Part d: I am having trouble at this part. I understand how to draw the heat curve but I am confused on what numbers I should use for the x-axis of the graph. I...
  48. M

    Combinations and Card Drawing

    Homework Statement What is the probability of choosing 1 Jack from a card deck and then one heart (no replacement)? Homework Equations None come to mind. The Attempt at a Solution I was thinking ##(4C1)/(52C1)\cdot(13C1)/(51C1)## but what happens if the jack drawn is a heart? Do I make cases...
  49. Sirsh

    Interpretation of Isometric Drawing

    I am trying to create a third angle projection of this isometric drawing and for the most part it is very straight forward. However, I cannot figure out where to position a 'circle' of radius 25 to give me the correct curvature that is required for this drawing. Whenever I locate a circle and...
  50. thegirl

    I Drawing a reciprocal lattice, also basis

    Hey could anyone please explain how you go about drawing a reciprocal lattice? For example a 2d rectangular lattice to it's reciprocal form? Also... I don't know if this is correct but if you have a 2d rectangular lattice with lattice vectors L=n1a1 + n2a2 would the reciprocal lattice vectors...
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