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. T

    Drawing a Region of Integration

    Homework Statement http://img803.imageshack.us/img803/6397/skjermbilde20111130kl50.png The Attempt at a SolutionI seriously can't even figure out how this region is drawn. I think in the second integral I need y to range from -x to 3. Then the answer could conceivably be a). But, as is...
  2. O

    Manufacturer Supply Graph: Drawing the Marginal Cost of Q

    given the marginal cost is equal to: 1/2*Q and i asked to Draw the manufacturer Supply graph. in the picture you can see my tried. Hope you can help. thanks.
  3. A

    Drawing with trigonometric function

    Homework Statement Come up with a set of equations to draw the following picture: http://img197.imageshack.us/img197/7428/equation.jpg Homework Equations The Attempt at a Solution The circle is easy. 1000 = sqrt(x^2+y^2) I can just model the equation with sines. So y_1 = 300 * Sin(pi *...
  4. A

    LaTeX Can LaTeX be Used to Draw on Floats?

    Dear all, I'd just like to know if it's possible to add let's say line on float with Latex. I use textpos package to add text but what about drawing? Thanks, Éric.
  5. M

    How to Create a Circuit Diagram in PSpice?

    I Need to draw this out in pspice and I'm having trouble accomplishing this.
  6. T

    Drawing a FBD of a Stone In Vertical Circular Motion

    Homework Statement A stone is tied to a rope. The rope is spun vertically clockwise in circular motion. The rope has a constant speed. Draw four free-body diagrams of the stone when the angle between the rope and the positive x-axis is 0, 90, 180, and 270 degrees. 2. The attempt at a solution...
  7. J

    Deriving the Minimum Tension for a Particle on an Inclined Plane

    Okay on question two i can only get as far as drawing fbd for the particle. I realize I need to get sin/cos for tan but don't really know how to get there. question three i have no idea. I don't understand. if the string is at an angle then does that mean tension has two components? If so...
  8. M

    Newton's 2nd Law and drawing forces

    Hey guys, how would I show that a = g sin(alpha) for the following diagram?
  9. E

    Construction Drawing Help: Types of Guide Ways & Cross Carriage of Lathe

    Homework Statement can anyone help me:smile: :i need a construction drawings for : 1-Types of Guide ways and wear compensation methods. 2- Cross Carriage of the center lathe with the tool post. please answer me as quick as you can:uhh: Homework Equations The Attempt at a Solution
  10. A

    Need help in drawing a level curve.

    Homework Statement i want to draw a level curve for the following but I am having some trouble. x-y^2/x^2+y Homework Equations The Attempt at a Solution I know I'm supposed to set c = x-y^2/x^2+y, but i can't find a way to set y in terms of x and c.
  11. C

    I am drawing a blank. Need help.

    What are http://www.biconet.com/birds/GIFs/stealth/acc/cableTensioner2.jpg" called? I need to order some but my brain cannot recall the technical term and google can't seem to interpret what I am trying to find.
  12. K

    Simple vector train problem drawing

    A ball is hanging from a long string that is tied to the ceiling of a train car traveling eastward on horizontal tracks. An observer inside the train car sees the ball hang motionless. Draw a clearly labeled free-body diagram for the ball if the train has a uniform velocity. i drew two...
  13. K

    Simple vector on a train drawing problem

    The problem statement, all vaA ball is hanging from a long string that is tied to the ceiling of a train car traveling eastward on horizontal tracks. An observer inside the train car sees the ball hang motionless. Draw a clearly labeled free-body diagram for the ball if the train has a...
  14. K

    Drawing ten cards from 52 cards

    Hi there, I am thinking a question from a book about drawing ten cards from 52 cards. The first case is drawing ten cards, having 7 cards of a club, 1 card of a heart, 2 cards of a diamond. The order doesn't matter, so the total number of possibilities is C(13, 7)*C(13, 1)*C(13, 2) =...
  15. P

    Help drawing a FBD for the question

    Homework Statement A person is holding onto 2 separate rings and each at angle is 85 degrees. find the tension in each rope. The mass of the person is 70kg. so we know the mass of the person, and the angle of ropes, i should be able to figure it out by looking at a FBD but i don't know how the...
  16. C

    Probability of 3rd drawing is red?

    There are 7 balls in box--red and white. What is probability of p-th drawing is red? {p=1,...7} Condition:return of previous drawing and not returning of previous drawing. Please help me these two conditions please Thanks in advance
  17. T

    Drawing a Collection Of vectors Satisfying Cross Products

    Homework Statement Given a = <1,2,3> and b = <1,-1,-1>, sketch the collection of all position vectors c satisfying a x b = a x c Homework Equations The Attempt at a Solution I've calculated a x b = <1,4,-3> and Defining c = <x,y,z> I found a x c = <2z-3y, z-3x, y-2x>. I want to...
  18. H

    Conditional probability drawing two balls from an urn.

    Homework Statement An urn contains four colored balls: two orange and two blue. Two balls are selected at random without replacemen, and you are told that at least one of them is orange. What is the probability that the other ball it orange? Homework Equations Now, we have been...
  19. T

    Schematics: Drawing ICs and Voltage Regulators.

    I'm working with an instructor at the local community college to fix a bug in my first project, but he asked me to give him a schematic to look over before we meet in person. I know what resistors and the other simple stuff looks like, but I don't know the symbol for ICs and VRs. Since the...
  20. P

    Technichal drawing legend markings question

    Hello I hope this is the right forum to ask the question: I have this diagram of ak47 with the rifle parts marked. They are all numbered and listed in the legend of the diagram. I can not quite figure out what the letters 'V' and 'T' next to some of the numbers are supposed to stand for. I...
  21. J

    Protein structure drawing method

    Protein structure drawing method I want to know the proper name given to this particular method of drawing proteins, RNA and Genes. I have two examples; If you look at the Wikipedia page for tRNA, they show the Tertiary structure of tRNA like this...
  22. Femme_physics

    Which direction they allow a current to pass in this drawing? This or

    Which direction they allow a current to pass in this drawing? This or that? http://img819.imageshack.us/img819/820/diodessss.jpg
  23. P

    Probability of drawing a card

    I read online, that if you have a deck of 60 cards, and you must draw seven, the probability of getting a specific card is 7/60. What I don't understand, is why isn't this probability equal to: (1/60)+(1/59)+(1/58)+(1/57)+(1/56)+(1/55)+(1/54)? Both answers round to 12%, but this one gives...
  24. J

    Drawing an argand diagram of complex voltage

    Homework Statement draw an argand diagram of the complex voltage v at t=pi/1800, also how do i obtain the instantaneous voltage Homework Equations i = lcoswt The Attempt at a Solution well so far i have a straight line
  25. A

    MATLAB Drawing Complex Function Graph in MATLAB

    Dear fellows I need to draw a graph of a complex function in matlab, but could not do so, can you please help me in this issue?? I have mentioned each and every constant required for function(complex function), y1=1.9417+3.5012i; y2=1.9417+3.5012i; y3=4.7348-1.4837; y4=4.7345+1.4837...
  26. Saitama

    Drawing a Flowchart: Read 3 Numbers & Print Larger One

    Homework Statement I have just started learning C++ in my school. Teachers have started with teaching us to make flowcharts. My teacher gave us a question:- "Draw a flowchart to read three numbers from the user and print the larger one." Homework Equations The Attempt at a Solution...
  27. N

    Nylon 5-12 Structure Drawing Tutorial

    Hello, Can anyone tell me how to draw the structure of nylon 5-12 or what site could help me with this? Thank you! -N
  28. A

    Is there free software for drawing and graphics in a physics thesis?

    drawing fot physics thesis? there is some software OF FREE ACCESS, for drawing and graphics in my thesis of physics?
  29. L

    Probability of Drawing Objects From a Golf Bag

    Homework Statement This question is suppose to be solved at the Math 12 Principles level: Suppose there are 5 white golf balls, 3 yellow golf balls, and 4 orange golf balls in a pocket of a golf bag. Three balls are randomly drawn, and not replaced... What is the possibility of drawing 2...
  30. C

    How can you determine which bosons are used in reactions in QFT?

    Hey there, this isn't a homework / coursework question so I didn't think it should be posted in that section. I can't seem to find a source which explicitly tells you how to determine which bosons are used in reactions. I understand how to work out if a reaction is legal or not by using charge...
  31. K

    Drawing electric charge from the earth

    I recently learned about r-c circuits and was wonderring that if Earth can provide electrons then why is it not used as a source of charge? Will the below circuit be successful in drawing charge? .......... __________ (Isolated Positively Charged...
  32. N

    Conservation of volume in deep drawing?

    ffff
  33. M

    Drawing field lines with MATLAB

    Homework Statement Consider a uniformly charged half spherical shell. The total charge is Q and the radius is R. a) Calculate the electric field as a function of z for – 5R < z < 5R. b) Draw equipotential curves in the xz-plane for – 5R < x, z < 5R with at least 8 equallyspaced curves...
  34. PainterGuy

    Circuit drawing and simulation program for a beginner

    Hello everyone, :smile: At now I know there are these programs to draw circuits and simulate them: LTspice, CircuitLogix, Multisim. I am beginner to these circuits and don't know much how to use such technical programs. So which program will you recommend me to use? I want it to have...
  35. T

    Drawing a Frequency-Magnitude (Bode) Plot: Thomas's Questions

    I need to draw a frequency- magnitude (bode) plot of this circuit: Firstly I need to find the RC but I don't have a clue. It's meant to be 1ms, and I guess that's from 10k * 100nF BUT why is the 20K not involved? Thanks Thomas
  36. O

    Drawing Shear Flow: Find Shear Center of Cross Section

    I need to find the shear center of the following cross section, but to do so i need to be able to draw the shear flow. Does anyone know how you would draw it for this case and why? It seems to be pretty easy until you get a complex cross section like this. See cross section here...
  37. L

    What are the rules for drawing molecular diagrams?

    If I have a molecule of pb2SO4 for example, how would I draw that? What are the rules that tell me what attaches to what? When it's only 3 or 4 atoms, it's pretty easy to draw them, but when it's more than that, I have no clue what to do.
  38. G

    Help drawing a function, finding its zero, local max/min

    Hello to all. I'm having a few problems and would love to know how to do the following. 1. f(x) = 3x^2-8 2. Find the function's zeros, local max/min and the function's behaviour 3. My attempt at drawing the function ended with a downward curve intercepting at y=-8, x=0 But a...
  39. F

    What is the Optimal Design for a DIY Briquetting Press Using Hydraulic Drive?

    Hi! I would like to make briquetting press of stalk material. I think it can be simple mechanism with hydraulic drive. If hydraulic cylinder diameter is 60 mm and circuit pressure of tractor 200 bar force from cylinder can be 56000 N. Necessary force in pressing cylinder is approximately 200000...
  40. G

    Drawing Mhor's Circles: Orientation Angles on One Axes

    Dear all, i want to draw the Mhor's circles for various orientation agles on a same axes
  41. T

    Drawing equipotential lines and field lines

    Homework Statement Draw the electric field lines and equipotential lines for the electrode configure. Assume one of the parallel plate is at a positive potential and the other one is grounded. Homework Equations The Attempt at a Solution I know the electric field lines and...
  42. T

    Correct exaggerated drawing of tides

    Hi. Some books explain tides as a result of the gravitational pull of the moon with an exaggerated drawing like A below. It seems to me that A is not correct, but B and C are more like it. Because the moon pulls all water towards it, not just one side. Which is correct and WHY?
  43. T

    Probability of drawing two married couples

    Homework Statement Names of 8 people (4 married couples) are written down to equally sized papers. Two carbilds are drawn. What is the probability of drawing a married couple? (it is not specified if the cards were drawn at the same time or one-by-one) Homework Equations na The...
  44. M

    Calculating Impedance and Drawing a Basic Phasor Diagram

    Homework Statement I have attached the problem and all my work. If someone can check my work for part a, that would be great. As far as part b, I need the most help here. Finally for part c, I think my work so far is correct, but I need help to graph it. Thank you in advance. Homework...
  45. A

    Drawing a PV Diagram for 3 Processes: Help Needed!

    Hello everyone, I was asked in a physics exam to draw a pv digram that consists of 3 process as below: 1) isothermal expansion 2)Isobaric compression 3)Adiabatic compression whenever I try to draw it I come up with a really untidy diagram so can anyone help please !
  46. C

    What drawing program do you use?

    Vendor wants drawing in ***.dwg. I have AutoSketch 9 which doesn't save line widths when saving to ***.dwg. Purchased TurboCAD 17 which is too complicated for what is being done. AutoCAD Light is too expensive. What drawing program do you use for simple 2D drawings?
  47. A

    Drawing a displacement/time wave

    Homework Statement Hi I need help on how to draw Displacement/time waves. I am considering this question: If a wave is traveling from left to right, draw a diagram of what the wave would look like 10ms later. The amplitude is 0.02 and wavelength is o.2 m respectively. Homework...
  48. I

    Drawing a PV Diagram: Solving Homework w/ Work Calculation

    Homework Statement One mole of an ideal gas at an inital tempreature of 300K and pressure of 4 atm is carried through the following reversible cycle: a) It expands isothermally until its volume is doubled. b) It is compressed to its original volume at constant pressure. c) It is...
  49. S

    Drawing a free body diagram for vectors

    I have some question related to vectors. 1)How will you find a vector(A) if you given another vector(B) in +x-direction to give a resultant(R) at θ(any degree)? 2)A child is holding a wagon from rolling straight back down a driveway that is inclined at 20° to horizontal. If the wagon...
  50. MysticDude

    Drawing Free Body Diagrams for Acceleration Problems

    Homework Statement Draw free body diagrams: A rectangular block being accelerated on a horizontal, frictionless surface. A skydiver who had just jumped from a plane and hasn't reached terminal velocity. A cube being accelerated up a 30° incline with μk > 0. A pendulum bob that has just been...
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