What is Movement: Definition and 630 Discussions

The labour movement or labor movement consists of two main wings: the trade union movement (British English) or labor union movement (American English), also called trade unionism or labor unionism on the one hand, and the political labour movement on the other.

The trade union movement consists of the collective organisation of working people developed to represent and campaign for better working conditions and treatment from their employers and, by the implementation of labour and employment laws, from their governments. The standard unit of organisation is the trade union.The political labour movement in many countries includes a political party that represents the interests of employees, often known as a "labour party" or "workers' party". Many individuals and political groups otherwise considered to represent ruling classes may be part of, and active in, the labour movement.The labour movement developed in response to the depredations of industrial capitalism at about the same time as socialism. However, while the goal of the labour movement is to protect and strengthen the interests of labour within capitalism, the goal of socialism is to replace the capitalist system entirely.

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  1. P

    Doppler shift question (galaxy movement)

    Homework Statement In a distant galaxy, an emission line of hydrogen that has a rest wavelength of 656 nm has an observed wavelength of 662.6 nm. Is the galaxy moving away from us or toward us? How fast is it moving in (km/sec)? Homework Equations velocity = ((shifted wavelength -...
  2. M

    Body movement question v(t), a(t), x(t)

    I don't learn in English so I may phrase words incorrectly. Just let me know if something doesn't make sense Homework Statement A body moves in one dimension where his speed is dependent on time: v(t) = t^3-10t^2+16t, t \geq0. v is in m/s amd t is in s. a) what is it's initial speed? b)...
  3. H

    Solving a Crate Motion Problem: Find Time for 4m Movement

    Homework Statement A woman pushes a crate with a force of 400N downward at a 35.2 angle down below horizontel. The crate weighs 300N. If coeffiecient of kenetic friction is 0.57, how much time does it take to move box 4m from rest. Homework Equations Fg=mg Fk=(muk)mg The Attempt at...
  4. T

    Volume question related to piston movement in a hydraulic system

    This came up in class today and based on the equations it makes sense, but logically I can't get my head around this. Let's say we've got a hydraulic system with two pistons: Piston 1: 2cm2 Piston 2: 12cm2 Piston 1 moves a distance of 21cm, which according to A1D1=A2D2 means that Piston...
  5. J

    Finding Pitch Circle & Teeth for Amplitude Movement

    How would I work out the pitch circle and number of teeth required to move the mechanism a certain amplitude? Looked over 4-5 sources for pitch circle, but cannot make sense of it..
  6. V

    Movement in Space: Understanding Acceleration & Force

    Hi Guys. I hope I’m posting this in the correct section within this forum. Please excuse my question as i have no idea about any physics and my mathematical knowledge is limited. Can someone tell me if my understanding in correct. If an object in space moves, it will never stop unless...
  7. B

    Who made the D'Arsonval/Weston galvanometer movement?

    hey I've been snooping around trying to find out who invented the D'Arsonval/Weston galvanometer movement? I am not able to find it or in other words I am getting different sources from different web?.. so who invented the D'Arsonval/Weston galvanometer movement.?
  8. L

    How is the Final Velocity of Star Movements Calculated?

    When calculating the space velocities of stars by combining what we see of both their radial and proper (tangential) motions, how is the final velocity determined?I don't believe they just add these two vectors together do they? Do they make use of the transverse Doppler shift calculation here?
  9. E

    Exploring Time & Space: Is Time Movement of Matter?

    Since space and time are considered one thing due to Einstien's research... Would time be considered the movement of matter through space? Or possibly that time is created by extremely massive objects such as the sun? I'm not sure.
  10. H

    How Far Will a Bundle Slide Up an Incline with Friction?

    A 4.0 kg bundle starts up a 30° incline with 128 J of kinetic energy. How far will it slide up the plane if the coefficient of friction is 0.30?So, I began finding the Normal N=W(y)=4cos30=3.46 Then found friction f=uN f=.3*3.46=1.04 So E=E K=Ug + Q K=mgh + fd K=mg(dsin30)+fd...
  11. A

    Exploring Relativity: Light Propagation Opposite to Movement

    I have a question about the propagation of light, I am not that technically versed in all the matters involved so it is a philosophical question. The principle of relativity, deducible from Newton's laws, has long been considered verified experimentally, most famously by Michelson-Morley's...
  12. C

    Movement of a point on the perimeter of a disc

    Homework Statement a disc of radius r spins uniformly around its axis at an angular velocity \omega in a clockwise motion. the center moves on the horizontal line z = r of a vertical axis Oxz of the referential Oxyz. We call R' = Cxyz, in translation compared to R= Oxyz, of origin C and we...
  13. K

    Outer space shuttle movement

    So this was a test question, I got the wrong answer, now I know why, but I'm not sure which is the good answer Homework Statement A spaceship is flying in outer space, engines off. At a certain point A in space, the spaceship starts drifting sideways with a constant speed and in a straight...
  14. M

    Movement along a straight line w/vector functions

    Homework Statement A particle traveling in a straight line is located at the point (1, -1, 2) and has speed 2 at time t = 0. The particle moves toward the point (3, 0, 3) with constant acceleration 2i + j + k. Find its position vector r(t) at time t.Homework Equations Speed = |v| The Attempt...
  15. S

    How Do I Calculate the Movement of a Ball in Air for My Program?

    Hi All. Im trying to make a computer program that calculates the movement of a ball in the air. i'll need information as: - the air density - the ball's crosssection - the ball's current acceleration - the balls current speed is this enough to calculate the frictional force...
  16. H

    Medical Exploring Nerve Signals for Natural Arm Movement

    Hello.. Am an Electrical Engineer, my FYP concerns the artificial limbs... I made a small research about the nervous messages, and how it flows from the brain until it reaches the muscles. In the arm i found that there are 3 nerves (Ulnar, Median, and Radial nerve) which are responsible for arm...
  17. F

    How does an inertial force affect water movement in an open channel?

    I am working on a project where I have to calculate the affected water movement in an open channel. What I mean by affected water movement is the gallonage moved by an inertial force such as a stream of water discharged under pressure. For example: A 1" pipe is discharging 10 GPM into an...
  18. R

    What is the Scientific Explanation for the Movement Pattern of Liquids?

    So I was reading an article late one night, and the writer tried to sound smart and mentioned how water "retains a memory" and if you splashed a few drops of water on your hand, the water would follow the same path, like how if you throw water on a window, the water will always "trace" the same...
  19. B

    Total speed of Earths movement

    I've been trying to work out for a while now the total speed that something on Earth's surface travels through space at any given time. I'm not sure about my maths though, so I'm wondering if anyone can help me. These speeds are rough estimates based on various articles and explanations that...
  20. J

    Unexplained Movement: Mystery of Shifting Rug in Empty House

    The interesting thread on teacups reminded me of my own unexplained mystery. And, it makes me think how many people will immediately think of ghosts or gods when something strange happens, instead of finding out what is really going on. There could be a whole category for such stories...
  21. A

    Movement of a vector when multiplied by a matrix

    What is the effect on a vector when it is multiplied by a matrix? Let any matrix 2 3 3 5 What will be the effect on vectors when they are multiplied with this matrix? In which direction will they move? What will be the effect of multiplying vectors with any matrix of order n by n?
  22. P

    Rotating & Linear Shaft Movement in a Single Axis

    how to rotate the shaft and to move it linearly in a single axis
  23. C

    How do I calculate the individual interactions between two links of a chain?

    I want to simulate the (probably chaotic) two dimensional movement of a chain, given that there is no gravity, and all of the links of the chain have some constant mass. Additionally, there is an assumption that the chain cannot collapse - all of the links of the chain will always be touching at...
  24. G

    Actual year/day vs earth's movement

    1) So i found on Wikipedia that the Earth takes 365.256363004 days to orbit the sun. If you include leap years then the average calendar year is 365.25 days. So the calendar year is off in accuracy by the difference. Calculating that out would mean that in 157 years the calendar would be off by...
  25. T

    Exploring Time & Movement: A Paradox of Dimensions

    Why do we call them 3 dimensions when all that they are, are just the ability of movement in space? Physical movement cannot be restrained in any vector. It takes place in a 3 dimensional dimension. Thus 1 dimension is physical movement in space and the second dimension is time. Within the 1st...
  26. M

    Sideways movement in automobile

    i just want to know if this is possible,say i want to bring about sideways movement to the wheel and want the car to move horizontally.by providing an expandable material connected at the end of the axle to either side of the wheel ,so whenever sideways motion is required as the material...
  27. R

    Movement through an electric field

    Homework Statement A constant electric field of magnitude E = 120 V/m points in the positive x-direction. How much work (in J) does it take to move the charge Q =11 μC from x1 = -67 m, y1 = -36 m, to x2 = 98 m, y2 = 75 m? Homework Equations You see that's the problem... I have no idea...
  28. G

    Physicists Explain Amoeboid Movement

    Although some would argue that this is a Biology problem, I would like to read some views from physicists regarding the following problem: Amoebas have no muscles nor cilia (microscopic, "paddling" hairs). Yet they are highly mobile. They move about by pushing protuberances, called...
  29. richard583

    Tractive Force and Greater Cold Air Mass Movement

    - Hello. ... New to the site. Had been searching for "Physics" focused forums, with an attached meteorological element, and found this one.I've been looking into and investigating the "notion" that main "tractive" force *, might have a great deal to do with main and broader cold air mass both...
  30. Ivan Seeking

    News The Grassroots movement , and the Tea Party

    The "Grassroots movement", and the Tea Party I consider every step forward for the Tea Party, and every primary Republican win for so-called grassroots leaders who appeal in particular to the tea drinkers, to be just more nails in the coffin for the GOP. While the Tea Party wants to claim the...
  31. S

    Molecular movement, potential energy and angular frequency

    Homework Statement The relative motion of two atoms in a molecule can be described as the motion of a single body of mass m = 3 x 10-26 kg moving in one dimension, with a potential energy given by the equation U(r)=(A/(r^12))-(B/(r^12)) n this equation A = 10^10 J m^12 and B = 10^20 J m^6 are...
  32. S

    Understanding particular movement

    Homework Statement If the time of a particles movement at a certain position can be described t_k = t_{k-1} + \Delta t write an expression for the velocity at t_k 2. The attempt at a solution if I assume that the corresponding position of the particle is s_k = s_{k-1} +...
  33. S

    Equations for Human Body Movement: Can Anyone Help?

    please can anyone help me to figure out the equations of human body movement ( walk ) I am in need so badly .. Best Wishes
  34. W

    Movement of an object inside a bowl

    Homework Statement The problem consists of finding a set of 2 differential equations describing the motion of a round object moving inside a 2D-bowl, of equation y=x^2. Only data given is that the equations have to be in the form of : (x1)'=x2, and (x2)'=f(x1,x2,weight of object, gravitational...
  35. S

    Relativistic Time for spaceship movement

    Homework Statement A certain star is 76.6 light-years away. How many years would it take a spacecraft traveling 0.946c to reach that star from Earth, as measured by observers on Earth? How many years would it take to reach that star from Earth, as measured by observers on the spacecraft ...
  36. C

    Electron Movement: Understand Orbit Around Nuclies

    im having some issues understanding the way electrons orbit a nuclies. i know they don't orbit hte nuclies in a circle but in envelops. can someone describe how they move to me please
  37. S

    Mechanics problem, how does the friction affect the movement of an object

    hi just a general question, i was setting up an experiment the other day where a spring launched a cube with a mass of 176g with 30N of force along a 85cm surface with friction coefficient of 0.27 (according to the teacher), i got the answer but that's because my class mates helped me in my...
  38. M

    Bohr Model Electron Movement Question

    Homework Statement How does an electron get from an excited state (r = 4ao) to a ground state (r = ao) without being anywhere in between? Homework Equations The Attempt at a Solution My only attempt would be to say that it does exist between for a short time, and during that time it emits a...
  39. M

    Uniform Acceleration and Deceleration for Smooth Movement to (0,0,0)?

    Hey there! I'm working on a bit of a game modification, and I'm looking for a little help with some physics-related math. I'm only in my second year of high-school physics, so I'm not completely sure where to go with this question. And sorry if this is in the wrong forum. Essentially, I'm...
  40. P

    Calculating Radial Acceleration in Olympic Hammer Throw

    Homework Statement confession Olympic hammer competition, competitor turns mass 7.3 kg ball at the end of a metal cable length 1.2 meters. Throw the hammer was released some 1.3 meters high 21 ° angle above horizon. Last horizontal distance was 83 m hammer, what is the radial acceleration of...
  41. S

    Why does movement in waves produce harmonics?

    Why do strings, etc vibrate in harmonics? Is it a characteristic of all waves, a consequence of the way energy propagates along a wave? If so, how?
  42. B

    Newtonian Mechanics - the movement of a particles

    (Moderator's note: thread moved from "Differential Equations") A particle of mass m which moves along a horizontal straight line with a velocity of v encounters a resistance of av + b(v^3), where a and b are constants. If there is no other force beside the resistance acting on the particle and...
  43. 0

    Greater influence on movement: Mass OR Gradient?

    1. Which, if any, has the greater influence on rate of movement down a slope with a constant distance of 80cm: the gradient of the slope or the mass of the object moving down the slope? 2. acceleration = net force / mass 3. If the slope is 90 degrees, the rate of movement of falling...
  44. FeDeX_LaTeX

    Question regarding movement of universe

    I'm no physicist, but I just have some questions... 1) The universe is expanding, correct? This means that its centre of mass is constantly changing, and the centre of the universe is also constantly changing (well... if the universe is spherical, and was increasing in proportion to a...
  45. N

    Open Source and Free Software Movement

    Hi all, I hear all this talk about how open source is awesome and how software should be free and accessible to anyone. While I do enjoy gaining access to free software and whatnot, I can't help but wonder, how do software developers actually make money if the open source thing catches on...
  46. J

    Can clothes dry without any air movement

    say there was no wind at all, no air movement. would your clothes still dry?
  47. Z

    Understanding Simple Harmonic Movement: Debunking Common Misconceptions

    Hi, could some one please explain in detail why this things are true? thanks A simple pendulum suspended in a rocket ship has a period T0. Assume that the rocket ship is near the Earth in a uniform gravitational field. True: If the ship accelerates downward at 9.81 m/s2, the pendulum...
  48. S

    Physics question regarding Circular movement and tension

    Homework Statement A Girl is swinging on a maypole in a playground. The Girl has a mass of 36Kg and, when she is moving with speed of 2.0m/s, the light rope makes an angle of 20 Degrees with the vertical. Consider the motion of the center of mass of the girl, which movies in a circle of radius...
  49. P

    Charged particle movement close to single charged plate

    Hi everybody. I am a mechanical engineer trying to do an electrical experiment. I wonder if anybody can help me with an advice. Here is my experiment. I have a single rectangular metal plate to which I apply a known high negative voltage DC. Not sure yet what that voltage is going to be...
  50. G

    Gravity movement and kinetic energy

    My thing is Movement,and Gravity ,plus their relationship with Kinetic energy. With the right pattern of movement I think gravity can be neutralised. I am working with loudspeakers which provide the movement, this appears as vibration and can be transferred to any material .The idea...
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