What is Conceptual: Definition and 874 Discussions
Conceptual art, also referred to as conceptualism, is art in which the concept(s) or idea(s) involved in the work take precedence over traditional aesthetic, technical, and material concerns. Some works of conceptual art, sometimes called installations, may be constructed by anyone simply by following a set of written instructions. This method was fundamental to American artist Sol LeWitt's definition of conceptual art, one of the first to appear in print:
In conceptual art the idea or concept is the most important aspect of the work. When an artist uses a conceptual form of art, it means that all of the planning and decisions are made beforehand and the execution is a perfunctory affair. The idea becomes a machine that makes the art.
Tony Godfrey, author of Conceptual Art (Art & Ideas) (1998), asserts that conceptual art questions the nature of art, a notion that Joseph Kosuth elevated to a definition of art itself in his seminal, early manifesto of conceptual art, Art after Philosophy (1969). The notion that art should examine its own nature was already a potent aspect of the influential art critic Clement Greenberg's vision of Modern art during the 1950s. With the emergence of an exclusively language-based art in the 1960s, however, conceptual artists such as Art & Language, Joseph Kosuth (who became the American editor of Art-Language), and Lawrence Weiner began a far more radical interrogation of art than was previously possible (see below). One of the first and most important things they questioned was the common assumption that the role of the artist was to create special kinds of material objects.Through its association with the Young British Artists and the Turner Prize during the 1990s, in popular usage, particularly in the United Kingdom, "conceptual art" came to denote all contemporary art that does not practice the traditional skills of painting and sculpture. One of the reasons why the term "conceptual art" has come to be associated with various contemporary practices far removed from its original aims and forms lies in the problem of defining the term itself. As the artist Mel Bochner suggested as early as 1970, in explaining why he does not like the epithet "conceptual", it is not always entirely clear what "concept" refers to, and it runs the risk of being confused with "intention". Thus, in describing or defining a work of art as conceptual it is important not to confuse what is referred to as "conceptual" with an artist's "intention".
Homework Statement
Two solid spheres, both of radius 5 cm, carry identical total charges of 2 microcoulombs. Sphere A is a good conductor. Sphere B is an insulator, and its charge is distributed uniformly throughout its volume. How do the magnitudes of the electric fields they separately create...
Homework Statement
Sorry asking similar quesion again about absolute value. You can read the attachment.
u(x) is the integrating factor. Why absolute value is omitted in the integration? and why the integrating factor is not "1/|x|", with the absolute sign
Homework Equations
The...
Homework Statement
see the picture
why the absolute sign of the logarithm can be removed? Although it is true for initial value, it is not true for x smaller than 1, right?
Homework Equations
The Attempt at a Solution
I think the initial value can conclude that the x smaller than...
Three forces act on an object in static equilibrium.
(a) If F1 and F2 represent the magnitudes of the forces acting on the object, show that .
(b) Show that
I know that the sum of all forces needs to be zero if the system is in equilibrium, but I don't know how to prove that each force...
I have found that I only need to brush up on my coceptual grasp of work and electrical applications. I have found that I am having negative answers when indeed the answer is positive. My question to you is, if I am following q(Vb-Va)=-W, I am assuming this is the work done by the field, and the...
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I am just wondering if I have Span{v1,v2} where v1 is not a scalar multiple of v2, then it is known that they span a plane, in fact it is R2
So the question is, how? There can be at most one parameter right? One parameter means the solution is a line, we need two to...
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If the net work done on a particle is zero, what can be said about its speed. And why?
The Attempt at a Solution
is the speed also zero?
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I am pursuing conceptual help regarding electric field due to uniformly charged planes.
Homework Equations
E=\frac{\sigma}{2\epsilon}
The Attempt at a Solution
I understand that a capictor has plates that are +/-Q. However, how would you calculate the elctric...
Here is a really simple conceptual question.
Explain why ultrasound can be used to prove the size and position of the fetus inside the mother's abdomen. Could audible sound with a frequency of 8000 s-1 be used for this purpose?
I know that audible sound has too low of a frequency (i.e not...
Homework Statement
3 long wires are perpendicular
Each passes through x-y plane with a distance of L from origin. Each wire has a current, I, directed out of the drawing's plane. An electron is located a the origin with a velocity along the positive x-axis. What is the direction of the...
This is homework help, but I think all I need to learn is how to read a VT graph properly. My professor uses MasteringPhysics.com and this is one of the questions from the site. The way it works is: the student has 5 attempts to answer a question before it is counted wrong and I'm down to my...
Homework Statement
Is the probability that an electron transitions from the N to M (n = 4 to n = 3) shell different than the electron going from L to K (n = 2 to n = 1)?
So basically, should I expect to see a lot more transitions from n = 2 to n = 1, than any other type of transition? If...
Homework Statement
A thick-walled, conducting spherical shell has charge q = +10 mC, inner radius R1 = 10cm, and outer radius R2 = 50 cm. A point charge Q = -20 mC is located at the center of the shell.
Describe the the charge distribution in the shell.
2. Given answer
+20 mC on...
This isn't a homework problem but is rather me trying to understand a concept. So here it is:
My textbook says that because only differences in potential energy are important, only differences in potential (electric potential) are important. How is this reasoning correct? The definition of...
Homework Statement
"A ball with radius R and mass m turns around a horizontal axis through his center with an angular speed \omega_0. In that condition the ball, without an initial velocity in the center, is put on top of a table. The friction coëfficient between the ball and the table is µ...
1. Homework Statement
Calculate the magnitude and direction of the Coulomb force on each of the three charges shown in Figure P15.10.
http://www.webassign.net/sf5/p15_10.gif
thats 3 cm if its to small to see.
6.00 µC charge Correct answer 46.76N
Magnitude to Left
1.50...
is it possible for a rocket to attain a speed greater than the velocity with which exhuast gases leave it? explain.
I am not sure about this, because relative to the gas, I think yes, but I am not sure if it is also greater relative to the ground. This question is from momentum/impulse unit...
My question here is to ask what would be the consequences to theoretical physics if, it was discovered, that black holes do not exist in nature. For example, as gravity and pressure increases beyond neutron star, new, previously unknown quantum principles, similar in spirit to loop quantum...
I would like to formally state that this is NOT a Homework question. I am NOT trying to cheat to get good marks. Instead the attached pdf file is a past examination question paper.
Just take my word for it and I can do without the aggro of mods jumping on back.
I would be EXTREMELY...
Homework Statement
A wheel starts from rest and spins with a constant angular acceleration. As time goes on the accerlation vector for a point on the rim:
a) decreases in magnitude and becomes more nearly tangent to the rim
b) decreases in magnitude and becomes more nearly radial
c)...
Homework Statement
http://edugen.wiley.com/edugen/courses/crs4957/art/qb/qu/c13/fig13_37.gif
Masses m are the same on the bottom, and the net gravitational force is 0 on m4 which is located at the center of an equilateral triangle. What is the mass of M?
Homework Equations
Fg=GmM/r^2...
How can we predict whether, a wave ( say a one dimensional string wave) traveling in any direction (say +x) after reflection from the fixed end, forms a standing wave in the medium or not (here string)?
I do not understand why the length of stirng should be integral multiple of wavelength(...
Hi, I have an assignment due in the morning, and it is complete, there is just one tiny thing I am unsure of: In a rest frame, a mass m moves west at speed v, and another mass also m moves east at speed v. Now consider the setup as viewed by an observer going west at speed u.
I had to find the...
Homework Statement
"A blue laser beam is incident on a metallic surface, causing electrons to be ejected from the metal. If the frequency of the laser beam is increased while the intensity of the beam is held fixed,
a)the rate of ejected electrons will remain the same but the maximum...
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This is a six part conceptual question that is not difficult. However, the last part I am struggling with.
What is wrong with the following student's reasoning:
"The clockwise torque is greater than the counterclockwise torque because the disk is accelerating clockwise. For...
Hi
I was thinking about this conceptual problem. Consider a thin ring of radius R, which is rotating about the axis passing through its center of mass. Now let's says there is no gravity and the ring is rotating at some constant angular velocity \omega , so the angular momentum is conserved...
I have a capacitor. Two plates, air dielectric: nothing fancy... in a simple circuit.
A simple circuit containing a dc voltage source and the capacitor.
I turn on the voltage source to the capacitor. When it is charged fully, I pull the two plates apart. (see image) I leave the voltage...
Homework Statement
I'm doing a problem in which an ant crawls in a circle on a spinning pottery wheel.
Say I'm looking at the friction which holds the ant in place. It keeps the ant from slipping.
Looking at it in the inertial frame of reference, I know that the centripetal force points...
I'm having trouble understanding angular momentum in general.
Given the bicycle wheel gyroscope experiment:
Is my line of thinking correct?The tension in the string equals the mass of the bike wheel. This force alone is holding the bike wheel up.
The wheel is spinning, producing an angular...
So I want to know if these are true or false, if false why are they
A geodesic is a path between two points in spacetime that maximizes the invariant
distance ds2.
A massive particle's rest mass increases with velocity.
If I re a laser beam in the general direction of a black hole...
Imagine I have a detector which is "single photon sensitive". What that means, I gather, is that if I shine a pulsed laser at the detector with just the right amount of attenuation, I should get to the regime where there is less than 1 photon arriving each time the laser fires a pulse, so the...
Suppose there is a cannon that shoots a cannon ball at a certain angle above the horizontal (a projectile). Since momentum is conserved in both directions, the cannon should posses a velocity now in the y (or z-axis if you would like to call it) and in the x axis.
1) However, what does it...
A 15,000 kg rocket blasts off from Earth with a uniform upward acceleration of 2.0 m/s2 and feels no air resistance. The thrust force its engines must provide during this acceleration is 30,000 N upward.
Apparently this is FALSE!
I don't understand why
F=MA
30000N=15000kg*2m/s^2...
Hi everyone, as you can tell from the title, I'm having some trouble understanding thrust. Here's what my textbook says:
"m(dv/dt) = -u(dm/dt) [where u is the speed of the exhaust relative to the rocket and dm/dt is negative]
Now dv/dt is the acceleration of the rocket, so the left side of...
Hi
I was reading from Serway in the chapter of "Energy and energy transfer". In this chapter the
author is introducing the concept of system and environment and then work. He also talks about kinetic energy and work-kinetic energy theorem and then conservation of energy theorem. I have...
Homework Statement
Why are both types of friction dimensionless?
Homework Equations
The Attempt at a Solution
i said it was because the coefficients of friction are just ratios relating the normal force/frictional force of specific types of surfaces sliding past each other...
Homework Statement
if an object is thrown vertically downwards from an airplane moving horizontally with constant velocity would the object fall in a straight line or in a parabolic path
Homework Equations
The Attempt at a Solution
I know it is supposed to fall in a parabolic...
Homework Statement
Just a small, little concept that I don't get...
A man is in an elevator. He is on a bathroom scale. When the elevator goes up, the number on the scale increases. When The elevator goes down, it decreases. What does the scale measure?
Homework Equations
If an...
Hi everyone.
I find myself in an unusual position; my training is in philosophy, specifically linguistic philosophy and philosophical logic. A publisher friend of mine has asked me to edit an introductory physics title from a purely conceptual perspective, my knowledge of physics is almost nil...
I'm in a math class reading Einstein's original paper "On the Electrodynamics of Moving Bodies," from 1905.
I'm stuck in Section 8, "transformation of the energy of light rays." We're basically trying to show that that Placnk's constant is Lorentz invariant- if anyone has an easy way of...
[PLAIN]http://img207.imageshack.us/img207/37/capturebg.jpg
a=v^2/r
v=2pir/T
f=ma
So I already have the answers to all the questions. The problem I am having is I don't understand why the centripetal force is not equal to the weight of the person. If it isn't the weight what...
Homework Statement
A motorcycle accelerates from rest, and both tires rotate without slipping.
1. Is the force exerted by the ground on the rear tire in the forward or backward direction?explain.
2. Is the force exerted by the ground on the front tire in the forward or backward direction...
Suppose there is a spring with a mass m attached to it, and it is released from rest. It will oscillate, starting from a certain point y0, going back to equilibrium and then down to let's say y2. Let's say in the first case, I call y1 my x = 0 point for the spring. When it passes equilibrium...
a beaker containing water is placed on the platform of a digital weighing machine. it reads 1100 grams. a metal body of density 8g/cc and mass 200 g is suspended in water in the beaker(without touching the walls of the beaker). it is attached by a suitable string fixed to some support. Now what...
Homework Statement
A ball is thrown horizontally from the top of a cliff with an initial Vo(at t=os). At any moment , its direction of motion makes an angle θ to the horizontal.
1)Derive a formula for θ as a function of time, t, as the ball follows a projectile's path.Homework Equations...
Hi guys,
I am wondering if anyone can recommend a good calculus-diff.eq text that does a good job at explaining concepts on an intuitive level. I have already covered the material, but many times I just learned to solve problems algorithmically, rather than understanding the theory. In turn...
1. You are standing some distance from a jackhammer where the sound intensity is bearable. You then walk half the distance toward the jackhammer. The change in sound level is about:
The given answer is 6dB.
I am not sure if this problem requires knowing what intensity "bearable"...
This is a conceptual question in special relativity.
Let's say we have 2 cyclists riding parallel to each other, separated by a distance D, at a constant velocity directed along the x axis, v.
Cyclist A has a laser, and he points it at cyclist B and presses the button so that a short pulse...
Homework Statement
If the two ends of a rope in equilibrium are pulled with forces of equal magnitude and opposite direction, why is the total tension in the *not* zero?
Homework Equations
The Attempt at a Solution
If there are two vectors with same magnitude and opposite...
Just a random question i had in mind. should be very simple to answer. Assume I had a ball of some arbitrary mass (m), and dropped this ball from an arbitrary height (h). Now assume i had stretched out this mass to look something like a pole (lets just say a telephone pole). Now let's say this...