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. T

    Curved Spacetime & Mass Movement: Exploring the Possibilities

    Is the movement of a mass affected by its curvature in spacetime? For instance will a forward moving planet diverges from its original straight line path due to the curvature of spacetime cause by it?
  2. R

    Calculating movement of an object

    Hello, I would like to get help in solving a problem. I will describe what happens and what I want to know and hopefully someone can help me. We have object A that has to move from starting point 0 to point 1 in a linear movement. There are 2 forces acting on object A in opposite directions...
  3. Kostas Tzim

    What is the Minimum Distance Between Moving Identical Particles in Vacuum?

    Homework Statement Two identical particles with $$ m=4,5 mg $$ and $$ q= 30 nC $$ are moving in vacuum in same direction. the paricles facing each other the time of the movement O --> <-- O like this.The time their distance is $$25cm$$ Homework Equations Which will be the minimum distance...
  4. Valerie Prowse

    Relating quadratic graphs & bouncing movement

    Homework Statement Hi everyone, I am doing a lab currently (and it looks like a few other people on here have had similar questions...) and I'm having trouble with one of the concepts. I had to drop a ball from a height and measure the movement with a motion sensor, which was graphed with the...
  5. Y

    Controling mirror movement with piezoelectric stage

    I am moving a small glued mirror (~10 gram) attached to a piezoelectric stage: http://www.physikinstrumente.com/product-detail-page/s-330-300700.html The mirror moves back and forth for a few milliseconds using a PID control loop, the range is about 2mrad. I want to increase the angular...
  6. W

    Movement of particles on vibrating plate

    So our professor showed us wave patterns on a vibrating plate, by sprinkling powder over it. I'm curious as to why it behaved as it did.The powder moved to nodes, but I'm not sure why. I think it just gets bounced around until it lands on a node, which is stationary, so it then stays there. Is...
  7. C

    How Do You Calculate Dragster Deceleration Time and Distance?

    Homework Statement - A Dragster at the starting line accelerates at 8 m/s^2 to the finish line. If it took 4.6 s, how long is the track? - The Dragster deccelerated to a stop in 100m. How long did it take?Homework Equations x = 0 + 1/2at^2 The Attempt at a Solution The first part of the...
  8. J

    Movement of a wave packet of a free particle

    In my course there's a chapter with the mathematical explanation to find the real expression and localisation of a free particle with the superposited wave function. The same is used to explain the movemement of a wave packet (which is a free particle). I've worked out almost all the math behind...
  9. Y

    Magnet/Electricity to rotate object 90 degrees?

    Hello, I want to create a motion using electricity, using the cheapest means possible (DIY). Basically I'm trying to rotate an object 90degrees when the current is on, and back to its original position when the current is off. The questions are: 1) Is this possible? 2) Can this be done using...
  10. S

    Measuring the Movement of the Stars

    I was wondering, since the Earth is constantly moving around the sun, the sun is moving around the milky way, and the milky way is moving through space (and for all I know the milky way might also be rotating around our local group, cluster, super cluster, etc.), how do we know how fast...
  11. S

    Find the acceleration in a composition of movement

    < Mentor Note -- thread moved to HH from the technical physics forums, so no HH Template is shown. Initial work is shown in the attachment. > Hello, l need to find the acceleration in the D point but i don't know how. the 2 circles turn in the same speed ( pi rad/s). I use a simulation...
  12. M

    Movement and Properties of Light

    How exactly does light move through space in terms of EM radiation and photons. What I'm confused about is the electromagnetic field. How does it oscillate, and in which directions? Also do photons have Electromagnetic fields associated with them?
  13. A

    Slow Motion Observed in SR Spaceships?

    This is something I've wondered for a long time. In discussing time dilation in SR, you often hear something along the lines of, "If you looked into a spaceship traveling near the speed of light, you'd see the astronaut inside moving in slow motion, the hands on their watch ticking slowly..."...
  14. S

    What is the question you are trying to answer?

    Homework Statement Hello there, So I have a problem that I can't seem to figure out on my own. I have no background in physics (I haven't taken a physics course as of right now,) but my robotics team requires some math. I need to find the equation for moving something with a mass of 1.5kg...
  15. I

    Aging Without Movement: How Long Would We Live?

    Assuming the duration of a second didn't change, how fast would we age and die if the Earth wasn't moving, the sun wasn't moving, the galaxy wasn't moving etc etc? All this speed allows us to live the duration that we do right? So if it all stopped, how fast would we be born, age and then die?
  16. B

    Simple continuous back-and-forth linear movement

    I need to purchase a device that will push something forward and backward continuously, in order to make wings flap like a bird. Linear actuators seem to be the right thing to buy, except these require pressing buttons to go forward and then back. What can I buy/what can I do that will allow a...
  17. S

    Aging Fastest: Does Moving Counter Universe Movement?

    Einsteins special theory of relativity states that time passes differently for different observers. Basically the faster you travel the slower you aged. So I assumed this means to aged the fastest, you don't move. We also know Earth is moving around the sun. The solar system is moving upward...
  18. A

    Confusing question about the movement of electrons

    Hi guys Do electrons move from high to low potential or from low to high potential I think the first one ia right because when electrons are attracted to the negative terminal they have maximum potential energy
  19. M

    Calculating Probabilities of Particle in a L-box After Wall Movement

    Homework Statement A particle is in the ground state of a L-box. At t = 0 the wall at x = L is suddenly moved to 2L. (a) If an energy measurement is made after the wall is moved, what is the probability of measuring the energy to be that of the ground state of the new box? (given solution...
  20. H

    Does Magnetic Field (=/need) electron spin + movement of charge?

    Does Magnetic Field (=/need) electron spin + movement of charge? A proton can create a magnetic field too, but does it have spins as well? Hmm super confused. What is a spin?
  21. O

    Alpha Rays and the Movement of Atoms' Nucleus

    I don't know much thing about rays. When I was studying Rutherford experiment, I saw that nucleus scattered the alpha rays with Coulomb forces, and naturally the opposite forces effect the nucleus. So do the nucles of atom moves to the direction of alpha rays' first direction?
  22. N

    Is it possible for something to have true zero movement?

    Can something even exist without energy? And if it can will it truly not move?To be clear I know E=mc2 but can something exist without any movement?
  23. J

    Calculating Doppler Shift from Ambulance Movement

    1. Homework Statement You are standing on side of road and ambulance drives by. Smallest distance between you and ambulance is 4m. Ambulance v=10m/s^2. You have 2.2 GHz radar. Ambulance travels 100m with center of straight line directly across from you. Compute exact doppler shift by taking...
  24. MarkFL

    MHB Shredding Beethoven's Moonllight Sonata 3rd movement

    Enjoy! (Yes) MZuSaudKc68
  25. S

    Help with permanent magnets configuration as a movement source.

    please delete this post Hello, Accidentally I have noticed a strange behaviour using two different magnets, which I would like to discuss. The picture shows a disc magnet (shown also in the right to see the magnetization) with it's N facing upwards. Onto the disc magnet N side, a cylinder...
  26. S

    Calculating Force, Work, and Power Values For A Lifting Movement

    Thank you in advance for your help! Consider a lifter performing a bench press. The weight of the bar is 225 lbs. Assume the duration of the entire movement from the lowest point to the highest is 1 sec., and that the bar will move a total of 2 ft. from the lifter's sternum to the height of his...
  27. A

    Question about the movement of electrons in a conductor

    Hello, I know that the movement of a charged particle in space or a fluid caused by an electric field is accelerated(a = F / m) by the Coulomb force(Fc = k q1 q2 / d^2). And the Kinetic Energy of the particle is calculated through this equation ΔKE = q ΔV. But does an electron accelerate in a...
  28. V

    Friction - minimum value of force for movement

    Homework Statement Determine the minimum value of the force F for which the systems start moving. Assume M1 = 1kg, M2 = 2kg, Us = 0.3. Solution: F = 9; F = 6N My problem is that i don't know the forces acting on wheel. Homework Equations The Attempt at a Solution M1 : F -...
  29. S

    Electron speed and movement through a copper wire

    I've recently read that the electrons move relatively slowly to what I had previously thought through a metal. That the "drift velocity" is slow, but because the electrons are plentiful, they can pass down the signal very fast. Near light speeds. Could someone explain what I'm missing and this...
  30. D

    Unusual movement of square fridge magnets

    At home I have a series of small square fridge magnets (about 25mm by 25mm and about 1mm thick). If I select two of these fridge magnets and place them together then, as you would expect, they attract one another. However the interesting observation is that sometimes the fridge magnets are only...
  31. K

    Resolving Symmetric Movement Paradox w/ Respect to Stationary Observer

    I am trying to understand this apparent "paradoxes" but probably i am missing something important. Imagine that accourding to stationary observer on Earth two twin cats are moving in the opposite directions with speed -v and v. When the two cats meet the stationary observer at the beginning O...
  32. L

    MHB Solve Problem of Relative Movement: 52.5° South of West

    Please Solve this problem Book answer The velocity components are x = 0.50 m/s y = (0.40 m/s)/sqrt (2) east and (0.40 m/s)/sqrt (2) south, for a velocity relative to the Earth of 0.36 m/s, 52.5 south of west. Ok I think these components are of an angle of 45 º but whwn i Calculate from...
  33. S

    ANSYS Maxwell 2D 2dof movement not single line translation

    Dear all, is there anybody knows how to set a 2 degree-of-freedom movement in ANSYS Maxwell 2D transient model? I have two fixed current-excited coils and a free magnet. The magnet should be able to move in a 2D space under the Lorentz forces. However, there are only translation and rotation...
  34. K

    Vertical circular movement

    Homework Statement A stone tied to a rope rotates in a vertical circle. prove that the tension in the rope at the lowest point is 6 times the stone's weight bigger than at the highest point. Homework Equations Potential energy: E_P=mgh Kinetic energy: E_K=\frac{1}{2}mV^2 Radial force...
  35. B

    Exploring the Movement of a Metal Bar in a Magnetic Field

    Homework Statement Can't seem to upload the figure in my workbook so I'll describe it. A metal bar is placed on 2 rails that slope up with a gradually increasing tangent. The bar has a higher conductivity than the rest of the apparatus. The 2 ends of the rails at the bottom are connected to a...
  36. Salvador

    Electron kinetic energy, movement

    I read that based on temperature , electrons have kinetic energy in metals so they randomly move around the ion lattice. when we apply current to a room temperature conductor, the electrons being charge carriers align and form current? but what happens in the plates of a capacitor , when the...
  37. S

    Oscillation (particle movement)

    Homework Statement A particle rotates counterclockwise in a circle of radius 4.4 m with a constant angular speed of 11 rad/s. At t = 0, the particle has an x coordinate of 2.9 m and y > 0 . Part 1: Determine the x coordinate of the particle velocity at t = 1.22 s. Answer in units of m/s...
  38. TheDemx27

    C# C# Windows Form Game : Movement

    C# Windows Form "Game": Movement All I wanted to do was to make a block move right/left across the window. I'm using VS 2010. No compiler errors and when I run it, it doesn't respond to any input. using System; using System.Windows.Forms; namespace Game { public partial class Form1...
  39. A

    Equations of movement of partical that slides inside a container

    Hello I'm trying to solve the following problem: "Find the equations of movement of a particle of mass m that slides on the inner surface of a spherical container given by the equation x^2 +y^2 + z^2 = 1, z≤0" I know I have to use F=ma and I've tried derivating the equation but I...
  40. Rugile

    Electron's movement due to electric forces

    Homework Statement 4 electrons are moving due to electric forces. Find their velocity when they are very far away from each other, if initially they were on a square's (side length a = 20 cm) vertexes. Homework Equations F = \frac{kq_1q_2}{r^2} k = \frac{1}{4\pi\epsilon_0} The...
  41. M

    Transverse movement of N masses

    Homework Statement . Consider the system of ##N## masses shown in the figure (see picture 1). a) Using the approximation for small angles, write the equation of transverse movement for the n-th particle. b) Propose a solution of the form...
  42. B

    Layman understanding Atom movement with added energy

    Hello there, I've for a long time thought that movement energy is transferred through collisions, one atom hits another and transfers it's momentum (Billiard balls). When they're stuck in a rigid structure like a metal, they vibrate until the energy of vibration exceeds the energy of their...
  43. A

    Contribution to margin movement

    I'm stumped at how to approach this problem and was hoping someone could enlighten me. If I had sold $100 of a product and made a 20% profit up until a specific day. The next day, made three sales; A) $20 making a $5 profit B) $50 making a $30 profit C) $30 making a $15 profit. So...
  44. N

    Movement of bacterium in the microscope

    Homework Statement A biologist looking through a microscope sees a bacterium at r1→ = 2.2i + 3.7j -1.2kμm. After 6.2s, it's at r2→ = 4.6i + 1.9kμm. a)What is it's average velocity b) What is its average speedThe Attempt at a Solutiona) v→= Δr/Δt v = (r2-r1)/6.2 = (2.4i - 3.7j + 3.1k)μm/6.2s =...
  45. U

    Coriolis effect on eastward\westward movement on earth

    Given an example of a rifle bullet traveling east or west, why does the bullet deviates HORIZONTALLY? (right on the northern hemisphere, left on the southern hemisphere) As rotation speed in the same latitude coordinates stays roughly the same, I wouldn't expect the bullet, or any other...
  46. N

    Servo Mechanism to initiate movement of an electric motor trolley

    hey, So I am working on this project where I am trying to come up with a motor set up to drive two wheels of a trolley. The entire trolley weighs 650 kgs and i require a motor with a torque of about 400Nm. I want to set it up in such a way that i want to be able to apply very little force to...
  47. A

    Vertical movement turning a gear

    i am still newbie , i don't even know if this question should go here or not , but i will ask it anyway. I have a rod that moves vertically , i need use this rod to make a shaft turn. So i had an idea, what if i made this rod toothed and make it move a gear as it goes up , will that work? if...
  48. harjot singh

    Why Does the Movement of Charged Particles Create a Magnetic Force?

    here is my question,a simple one that is :- why with the movement of charged particles a magnetic force develops through it?is it have any relation with quantum?explain me all about it?
  49. F

    Charged particle movement in arbitrary electromagnetic field

    Hello there! This is my first post here, hopefully I am not posting in the wrong place. Also, I am an engineer and have not used this stuff for years, so please be patient with me, I am pretty sure that my question is stupid :-) I would like to develop a simulation code for charged particles...
  50. M

    Kinetic energy, movement <-> energy ?

    Hi there, I always thought that kinetic energy was the energy associated to a movement, ie, I have a ball in movement so I had printed the energy of my body on it when I kicked the ball, right? So I gave energy to the ball that started to move it. energy -> movement. However, I was reading...
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