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. B

    Hydrodynamics- rotational movement.

    Hydrodynamics--- rotational movement. Hi,I am not sure whether my solution is correct. I am not an expert in this area either. Could anyone here help me to check my solution? Thank you If i hang a block like a cube in water. If we look from the top view, there will be two side A and two side...
  2. H

    Linear and rotary movement of a shaft

    hi i am going to design a parallel plate rheometer as a part of my project.in parallel plate rheometer, the fluid is sandwitched between the plates and rotation is given to the top plate.top plate is made with shaft, rotation is provided to the shaft by servomotor and for placing the fluid and...
  3. V

    Absolute zero and non particle movement

    i have read in some articles that when 0 Kelvin is achieved then particle movement within the cooled substance ceases. but my doubt is that einstein said that all objects have constant movement. this means that if the particles really stop then they will kind of stop in time because it is longer...
  4. T

    Understanding Negative Torque and Angular Acceleration in Harmonic Movement

    we got a rock which has a smaller rock inside, we tilt it by a small angle. why the torques is negative why they do -torque=I*angular accelarations ?? http://img262.imageshack.us/img262/1466/41649510.th.gif
  5. C

    Physical Movement Caused by Current

    Homework Statement http://img5.imageshack.us/img5/348/snake.gif The figure above shows a piece of flexible wire lying on a frictionless table top. The wire can slide around and change its shape freely, but it cannot move perpendicular to the table. Part I If a current were to begin to...
  6. A

    What is the relationship between electron movement and rest mass?

    Hello all, First off, I am not sure if these questions belong in this category. For a couple of years now I have been interested in physics/quantum mechanics, and a while ago I decided it was probably my main interest. After realizing my school did not offer physics, and therefore not...
  7. R

    About time measurement vs measurement of movement

    hi. as a non-physicist reading physicsbokks i have a problem understanding how, in richard feynmans words, "time itself", is measured. feynman seems to move from clock-measurement to "time"-measurement without a justification. as tsr clairly states time-dilation i have a problem of...
  8. B

    Solve Rotational Movement Problem - Calculate Bar Length

    This is a problem that I am just having some trouble wrapping my head around. I don't know if I am doing it correctly. Homework Statement You are a member of a group designing an air filtration system for allergy sufferers. To optimize its operation you need to measure the mass of...
  9. J

    Physics Particle Movement Calculations

    Homework Statement A particle moves in such a way that its position z, in meters, is given as a function of time t, by the equation z = 2t^2 − 3t^3. At what times is the particle at position z = 0? (two answers; one is 6E-1) Homework Equations z = 2t^2 − 3t^3 The Attempt at a...
  10. T

    Harmonic movement of a spring question

    i got a mass "m" which is stuck to a spring which is hanged from the sealing . k-the spring coefficient the formula for acceleration is a=-A*w^2*sin(wt+u) i need to calculate the force which the spring exerts of the mass in any given moment t=0 is when he was moved downward by distance A...
  11. K

    Is a proton's movement considered a subject of Quantum Mechanics?

    Is a proton's movement considered an object of Quantum Mechanics? I had this thought a while ago when we were studying movements of protons in a force field, specifically inside the field of a charged capacitor. The thing is that we used Newton's Second law to find the magnitude of the force...
  12. J

    Questions about movement of a permanent magnet inside of solenoid.

    I have been doing some experimenting with a relatively short cylindrical permanent magnet and a solenoid with DC current applied. I would like an explanation as to why these two things happen. The OD of the cylindrical magnet is just a little bit smaller then the ID of the solenoid. Placing...
  13. A

    Newtons Laws Question: Finding acceleration and direction of movement

    1. The only force on a 5.0 kg object has components Fx= 20N and Fy= 30N 2. Find the acceleration of the object and its direction of movement. 3. I think I'm supposed to somehow use Soh Cah Toa inorder to find something (I don't know what this would help me find). I need to use...
  14. V

    What is the mistake in assuming that a finite force can start an object at rest?

    The power is the amount of energy being transferred, the energy change P = Fv at specific moment of time. The kinetic energy is proportional to speed: E = mv2/2. I wonder how a finite force starts moving an object at rest. The zero velocity implies zero power P=0, which implies zero kinetic...
  15. S

    An integral for rotational movement equations

    Im talking calc and physics in high school right now and I was bored and messed with my formulas but I need some help now.It's for rotational movement. If I have \varpid\varpi=\alphad\theta and then I take the integral will it be (\varpi^2)/2 = \alpha\theta or did I do it all wrong?
  16. A

    Movement of an electron between two plates

    Homework Statement Hey guys. Where is the force which is created by the electric field, directed to? I think it's towered the bottom plate but I'm not sure. 10x. Homework Equations The Attempt at a Solution
  17. S

    Calculating Movement Along a Curve

    This is my first post here, and I'm not really sure where I should have made it. If it's in the wrong place, please go easy on me and could an admin move it to where it should be. It's not strictly a homework problem, but it's fairly specific question, and not very deep or philosophical...
  18. E

    Baggage Carousel Movement at an Angle

    1.Your suitcase is on a baggage carousel, Your suitcase has not slid all the way down the slope and is going around at a constant speed on a circle (r = 9.10 m) as the carousel turns. The coefficient of static friction between the suitcase and the carousel is 0.740, and the angle θ of the...
  19. G

    Problem iwth calculating the movement of my solar car

    Homework Statement Well, i have built this solar car, and the objective is (in my class) is to see who can get there solar car teh fastest in 20 metres (i.e. who can clear teh 20 metres in teh lowest amount of seconds). My motor specs are 23,500rpm 350gm-cm torque, 150mA all at 14.8 volts. My...
  20. T

    Capacitor, Dielectrics and height movement

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  21. M

    What will happen to a body that is not moving at all?

    What will happen to a body that is not moving at all? What is its time and what is the shape of its space? I have been wandering about these questions for a long time now. I am beginning to realize that the space time continuum of a body / object is the product of movement of that body.If...
  22. D

    Direction of movement for particles in a wave

    Homework Statement The question includes a graph of a wave (on a string) with several points labeled on the graph. We are asked to determine the direction of the transverse velocity of each point on the wave as well as the transverse acceleration. Homework Equations The Attempt at...
  23. M

    How Does Air Resistance Affect Projectile Motion and Free Fall?

    Hi, i want to know what are the real effects of air (drag) in the projectile movement and free fall, i mean how drag or air resistance is calculated in both movements, with equations.
  24. M

    Is there a mechanical way of increasing angular movement?

    (A) being a common pivot point for (B) and (C). In relationship to (A), I would like to have (C) move twice the DEGREE OF ANGULAR movement as (B). Any suggestions or thoughts on how I might accomplish this would be GREATLY APPRECIATED!
  25. R

    Mechanism with up and down movement?

    Hi ... I was trying to figure out a mechanism which allows for up and down movement. I figured a piston with crankshaft... anyone has any other possibilities? Thanks
  26. S

    Contrary Movement: Proving it with Newton's Law

    When 2 objects placed one on each other and one of them pulled, the second will move in a contrary way. there is a way to proof it with Newtons law ? tnx .:smile:
  27. B

    Electricity & Magnetism: Circuits and the movement of charge

    Hi, So my former knowledge of electricity and its movements made me understand that only electrons move from the negative electrode to the positive and then through the wires back into the battery. But as I am reading from my textbook (about capacitors) I am starting to feel that even protons...
  28. L

    Is Cloud Movement Dependent On Wind?

    It seems to make intuitive sense for cloud movement to be dependent on wind, but is it actually true? Isn't the Coriolis Force a bigger factor in cloud movement?
  29. A

    Circular Movement Homework: Part A Done, Part B Troubles

    Homework Statement Everything is in the pictures. I did part A, I have a problem with part B. 10x in advance. Homework Equations The Attempt at a Solution
  30. C

    Sound responsive light and movement

    hi, i'm not sure if I'm posting this in the right directory, but I'm trying to figure out a way to make a mesh that is responsive to sound via light and movement. (i.e. some form of musical beat will cause this surface to ripple and light up). this is for an architecture thesis. the movement of...
  31. P

    Question about accelerating movement

    A uniformly accelerating movement problem that we found in our book and we wanted to solve, but we are not sure if our solution is right: Homework Statement Two cars, (1) and (2), initially at rest, start to move from the same point, in the same road. Car (2), however, starts to move 3.0...
  32. M

    Movement & Spacetime: Point A to B Difference

    what would be the difference between the idea of being at point A and moving toward B in space-time; and being at point A and not moving and B not moving but the space-time between them moving and warping out of the way?
  33. H

    Model Car Movement Physics with \sumF = ma and \sumT = m \alpha

    I want to model a car movement. The equations are: \sumF = ma \sumT = m \alpha The forces are, weight of the car, normal force and f the friccional force, but also the engine provides a constant rotational acceleration in my model. I understand that the frictional force is the one...
  34. P

    Charge movement in a magnetic field along the z-axis (into page/out of page)

    Homework Statement : VIEW ATTACHMENT FOR JPEG IMAGE of a) and b). Predict the direction of the charge (into the page or out of the page) for a) a proton moving into the page in the (-)z-direction when the B field is in the (+)x-direction, and for b) an electron moving into page in the...
  35. M

    Earth's Movement: Exploring Our Planet's Speed and Stability

    The Earth is moving at a great speed about its own axis. Something inside a moving sphere also moves. Why don't we move with the earth? please explain me.
  36. N

    What is the difference between movement in one and two dimensions

    Homework Statement Write the difference between movement in one dimension and movement in two dimensions,also which are the different types for each of these movements Homework Equations The Attempt at a Solution
  37. S

    Vertical Movement from a Threaded Rod

    I want to move 30lbs vertically on a platform. To do this I will have a rotating threaded rod driven by a motor. How much torque, hp, rpm do I need? I'm guessing the pitch of the threads will be important. As far as speed goes, I only want the platform to move about an inch in 1-2 seconds...
  38. G

    Tennis Ball Movement Algorithm: Get Help Here

    Hi all! Im working on a small 3d tennis game, but I am not good with math. Can anyone make me algorithm for tennis ball movement (simulation). I have this parameters: ball starting point (x=left/right,y=up/down, z=is forward/backward), ball ending/bounce point which y is always 0. y at (z=0)...
  39. W

    Positron movement in a coil-induced magnetic field

    in a microscopy class: problem is to illustrate the path of a positron on both sides of the axis in a coil produced magnetic field. consider both cases of the particle's velocity and the magnetic field being a)in the same direction & b)in opposite directions. i have no clue. any help? would it...
  40. R

    How Do I Design a 2-Axis Solar Tracker Mechanism?

    Hi there, I'm an electrical engineering student currently building a 2 axis solar tracker. I need to build the frame and I'm posting here because I have no mechanical knowledge at all ... The system is basically two motors, each for each axis which rotates a small solar panel (one rotates...
  41. M

    Could time be movement in a 4th physical dimension?

    Let's say the universe exists as a collection of related static 3-d spaces, like in Julian Barbour's book The End of Time. Nothing ever actually moves. The illusion of movement comes from moving from one of these spaces to another which is closely related to the previous one. It's similar to the...
  42. B

    I choosing a mini motor for kinetic movement

    My sculptor wife has asked me to develop an electrical system for a kinetic sculpture that creates a 30 RPM movement at a whisper quiet level and yet fits into the palm of a hand. I'm looking at a 17mm diameter x 55 mm long mini-gearhead motor listed at "352:1 ratio that runs at 24 RPM @ 12 Vdc...
  43. D

    How can linear movement be converted into rotation?

    Linear movement --> Rotation Hey, I'm wondering how many different ways there are to transform linear translation into rotation. The ones that I'm a familiar with are; rack and pinion, Scotch yoke, Helical spline, crankshaft.. Are there other good ways of accomplishing this? Thank you for...
  44. P

    Ideal conductor and charge movement

    Hi This question really matters me and I would like to someone to point me out (rigorously if possible) why and what makes charge move in ideal conductor. All good conductors are modeled as being ideal so that the Maxwell equations inside the conductor needs not to be solved. So as electric...
  45. D

    Is Space Discrete or Continuous in a Planck World?

    On a ruler, you could move from the 1cm marking on a ruler to the 2cm marking, or you could move from the 0.5cm marking to the 1.5cm marking - both are 1cm movements but you cannot go from 1.5cm to 1cm in a 1cm movement. If we had Planck co-ordinates, could you move from 1 => 2 and also 1.5 =>...
  46. wolram

    Exploring Movement Invisibility: A World Without Light

    How would our environment look if we could only see movement instead of light, if we could see micro to macro movement.
  47. M

    Confirm Correctness of Ant's Shadow Movement Equation

    Homework Statement (Q) A lamp is placed at the point (5,0) and it casts the shadow of an ant onto the y axis. When the ant is at point (1,2), how fast is the ant's shadow moving when the ant's x-coordinate is increasing at the rate of 1/2 units/sec and its y-coordinate is decreasing at...
  48. V

    Electromagetic movement of water

    Hi. I was wondering how strong an electromagnet would have to be to move water, such as a low stream from a tap or something.. I searched the forum a bit to the answer to this, and while i did discover that an electromagnetic field of sufficient strength will move water, the strength...
  49. M

    Friction and horizontal movement

    Homework Statement A block of mass m lies on a horizontal table. Suppose you push horizontally with precisely enough force to make the block start to move, and you continue to apply the same amount of force even after it starts moving. Find the acceleration of the block after it...
  50. D

    Two problems involving rotational movement

    1. First Problem Homework Statement A disc with mass of 50kg and radius of 20cm is rotating with a frequency of 480rpm, and after 50 seconds, as a result of the force of friction, it stops. What's the moment (momentum of force, torque) if during the rotation the disc made 200...
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