What is Movement: Definition and 631 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. 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...
  2. ~christina~

    Centripital acceleration (electron movement)

    Homework Statement In bohr model of H atom, speed of electron/ e- is aproximately 2.20x10^6 m/s a) find force acting on e- as it revolves in a circular orbit of radius 0.530x10^-10 b) the centripital acceleration of the e- Homework Equations \sum F= ma= m(v^2/r) The Attempt...
  3. P

    Particle movement down a track

    [SOLVED] Particle movement down a track Homework Statement A particle of mass m = 6.60 kg is released from point A and slides on the frictionless track shown in the figure below. (ha = 5.20 m.) (a) Determine the particle's speed at points B and C. point B____________ m/s point C...
  4. R

    Questions on Loudspeaker Diaphragm Movement

    Good day to all! I just want to ask if someone here knows some data or measurement of speaker diaphragm movement(distance moved by the diaphragm relative to its resting position) of any speaker(any type or brand) when a certain frequency and volume is applied to it. I just badly need the...
  5. R

    How does the movement of stars compare to the movement of planets

    how does the movement of stars compare to the movement of planets
  6. C

    Question about circular movement.

    Hey everyone, I'm new here. I'll try to be as clear as I can, but I'm warning you I'm not sure my science-English is accurate enough. I'll try though. So, It's a pretty basic question, but I still find it confusing: Say you have a body moving in a constant velocity v in relation to a...
  7. S

    Role of pitch in swing and seam movement of cricket ball

    Recently I attended a lecture related to the physics behind swing of cricket ball. But the speaker dealt with the swing before pitching(and dealt loosely with late swing). He took only the effects of air in consideration. I am interested to know how the pitch effects the swing(or seam movement)...
  8. Mk

    Correct me on something about the sun's movement in the sky

    Would this statement be correct?
  9. E

    Exploring the Effects of a Charged Body on a Razor Blade's Movement

    why does a razor blade placed on the water surface move away from a charged body?
  10. L

    Finding Direction of Boat Movement: Bearing Calculation

    Homework Statement A boat is moving with constact velocity -1 + 6j. Find the direction in which the boat is moving, giving your answer as a bearing. The Attempt at a Solution http://img483.imageshack.us/img483/2457/bearintgsxk3.jpg Alpha is the bearing I want right? In the mark...
  11. N

    Movement of connected masses under external force

    Hello, First time post here, so if I violate some rules of protocol etc. please forgive and let me know! Anyway, I've been asking profs and other physicists this question, and the more-knowledgable the person I ask, the more complex the answer sounds! Two basic setups: (1) two masses...
  12. M

    What causes a shuttlecock to change direction mid-flight?

    Quite a funny question Now when we hit a shuttle cock by racket or any other means, the shuttle cock moves in the direction of the force but halfway the position of the shuttlecock changes ie in the beggning the cock faces us and then at halfway the cock starts facing the opposite...
  13. J

    Exploring Time: Constant Movement or Fixed Destination?

    Hey can we see time as a dimention where we are constantly moving about at the same speed (in our environment) ? like Earth which is in movement in the 3 space dimentions (or maybe two , depends on the axis ?) and that in some areas we move in time at a different rate (but very very...
  14. Loren Booda

    Exploring Human Muscle Movement: The Fastest Large-Scale Movements

    What is the fastest movement that larger scale human muscles (vs. cells) can make?
  15. I

    Point charges and their movement in 3 space

    Hey all this question appeared on my last assignment that was due on friday and had me completely stumped for the entire week and well still does, i couldn't even get off the ground (im not very good with these algebra questions) . anyway in the interests to doing my very best on my midterm exam...
  16. C

    Solving Cyclotron Movement Problem with 500V and 0.790B

    Homework Statement A 61.0 cm diameter cyclotron uses a 500 V oscillating potential difference between the dees. The magnetic field strength is 0.790 ? How many revolutions would a proton make before leaving the cyclotron? Homework Equations v/r=Bq/m Ke=1/2mv^2 The Attempt at a...
  17. O

    Effect of Sun movement on Planetary orbits?

    What is the effect (if any) of the sun's movement around the galactic center in relation to planetary orbits?
  18. J

    Pulse Movement in a Stretched Rope: Exploring Directionality

    consider a pulse traveling down a stretched rope. what makes the pulse to travel in a particular direction (let say to the right) and not the other?
  19. A

    What Angle Should the Rifle Be Aimed to Hit a Target 800m Away?

    Homework Statement A rifle, in which the initial velocity of the bullet is 460m/s, is aimed at a small target 800 metres away at the same height as the rifle. At what angle above the ground must the rifle be pointed so that it hits the target? ** x = horizontal distance t = time Vx =...
  20. A

    Problem involving circular movement and friction.

    Amtrak's high speed train, the Acela, utilizes tilt of the cars when negotiating curves. The angle of tilt is adjusted so that the main force exerted on the passengers, to provide the centripetal acceleration, is the normal force. The passengers experience less friction force against the seat...
  21. J

    Interesting problem - movement of dialectric

    This is a problem was thinking about. If I have a capacitor and fill it with a dialectric of some dialectric constant (the dialectric fits perfectly and is mounted via a frictionless bearing so it can move freely). How fast does it move?
  22. K

    Movement of Charged Particles in a field

    Homework Statement Two electrons are 10-9m Apart when they are released.What is their speed when they are 10-8m apart? Homework Equations Ek=-EE EE=Kq1q2 ------- r The Attempt at a Solution Ive tried 1/2mv^=-(Ke(squared) - Ke(squared)...
  23. M

    Jumping, weightlessness and movement in tennis

    I have just jumped up in air and when my feet hit the ground my body is weightless for a couple of seconds isn't it? Is this why when in tennis that when you do a split step that you can move so fast in ether direction because you are weightless when your feet touch the ground?
  24. S

    Questions on the Movement of Stars

    01. Can a star be moving faster than what Doppler effect calculations indicate? This was a discussion question I heard but I'm not sure I understand. Can anyone provide any sort of information about this? 02. Can someone explain this to me, too? "Hydrogen red line is shifted, but other...
  25. R

    Is Quantum Movement Similar to Teleportation in Subatomic Particles?

    I have been reading some on QM and its quantization of energy and angular momentum (is this the same as spin?). But something I do not understand is the actual process of quantizational movement (which is tied to the quantization of energy). I can't understand how a subatomic particle, the...
  26. T

    Calculating Movement: Pool Ball Physics Problem

    This problem (it's not homework, I am looking for a concept) has stumped me. If a pool ball hits a a stationary pool ball how could I go about calculating how far the pool ball that was hit will travel until it stops? I have the masses and velocitys of both in motion but I can't seem to get a...
  27. C

    Magnet Movement Affects Current Magnitude

    The magnitude of the current depends on the rate at which the magnet is moving in and out of the solenoid. True or false
  28. T

    What is the Rate of Movement of a Glacier after 20 Days?

    The movement of a certain glacier can be modeled by d(t)=0.01t^2+0.5t where d is the distance in metres that a stake on the glaciers has moved, relative to a fixed position, t days after measurements began. Find the rate at which the glacier is moving after 20 days. What is the question...
  29. B

    How Does Gravity on a Foreign Planet Affect Movement and Physics?

    A colonist on a distant planet with a radius 0.92 times the Earth's is pulling on a box of mass 12 kg across the floor. The coefficient of static friction between the box and the floor is 0.70. He has to pull with a force of greater than 73N to start the box moving. a) Determine the mass of the...
  30. W

    Singularity and movement question

    Hello all, This is a thought experiment I have been tangling with for quite some time now and still cannot find anything worthwhile on the net to determine its outcome. I'd like to know what happens if two singularities would collide head on. ( I know that singularites have no strict...
  31. M

    Calculating Impact of Moving Object on Stationary One

    Hi all, How does one calculate the point where impact of a moving object actually begins to move a stationary one, rather than just make noise? Let's keep it simple and assume the objects are of the same material, the stationary one is not anchored, and they won't shatter or explode...
  32. R

    Particle Movement w/o Knowing a or v

    Object is dropped from a cliff of unknown height. I'm on another planet without the knowledge of the planet's gravitational acceleration. The object takes 4.15s to reach the bottom. Again, from the top of the cliff I toss the object upwards to a height of 2m then it falls back to the cliff...
  33. M

    F=ma for extended objects and movement of CM

    OK, so for a small particle, \Sigma F=ma is very straight forward. If two forces are applied to that particle, the particle accelerates, which is determined by the summation of the forces applied. But what if the object is extended one, say, a solid uniform rod (1 kg). Also, imagine that...
  34. M

    Earth, Sun & Galaxies: Physics of Movement

    The Earth spins on it's axis at approximately 2 mi/sec(795 mi/hr), it spins around the sun at approximately 18.5 mi/sec(67,000 mi/hr), and the sun along with all of the planets spins around the center of the galaxy at 144 mi/sec(1/10th the speed of light. So how come we don't feel all of...
  35. N

    Exploring the Force Behind Electron Movement

    Hi everybody! I wan't ask, what force makes electrons move? For example when electricity generator act, what force makes generators coil electricity? (I'm sorry! My english is very bad and this is my first time when I write something here) :smile:
  36. M

    Calculating Velocity and Displacement in a Skateboarding Physics Experiment

    I just want to know if this is correct. The question is: A boy and a girl on a skateboard push each other away at 30N for 1.2 s The boys' mass is 45kg and the girl's mass is 40kg. Determine the velocity after they have stopped pushing each other? How far did the girl move while their...
  37. S

    Has anyone else witnessed their cat's hilarious RCM on smooth floors?

    RCM or Rapid Cat Movement. Has anyone with a cat seen this besides me? He, my cat, seems seized at random times to get very excited and run around, recklessly. -scott
  38. C

    Dumbbell Movement in Space: Calculating Ball Position with External Force

    Suppose you have 2 iron balls that are connected to one another by a bar. The balls have equal mass. The bar has a fixed length, has no mass, and cannot be compressed or stretched. The object is in a total void with no gravity or wind resistance. The balls can move on a 2D plain, the X,Y...
  39. H

    Solving Spring System: Box Movement & Total Work

    Can anyone help me with this i have no idea how to solve it. You have two identical springs, each with a relaxed length of 50 cm and a spring constant of 450 N/m, they are connected by a short cord of length 10 cm. The upper spring is attached to the ceiling. A box that weighs 98 N hangs from...
  40. T

    Is Anything Ever Truly Stationary? A Theoretical Exploration

    Ok this is kind of a weird question...but: Assuming that something on Earth that is not moving is still in reality moving because of the planet's rotation around the sun, and assuming also that even the sun which seems to be stationary is also moving about the galaxy, and so on and so...
  41. P

    Simply Armonic Movement and k constant

    I have a question on "k" of an armonic simple movement. If we take the equation of a wave, this is: \frac {\partial \psi (x,t)}{\partial x^2} = \frac 1 v^2 \frac {\partial^2 \psi (x,t)}{\partial t^2} And this, if I'm not wrong, must to satisfy the independent of time Helmholtz...
  42. -Job-

    Brane Movement Causing Gravity

    In trying to fathom why matter would curve space-time, i realized a moving brane may offer a neat model of this. I made a drawing depicting how this would work which i think is better than i can explain in words. Don't take this too seriously, if you don't think it works just point out what you...
  43. S

    Movement of Center of Mass for a Pulled Down Cable

    Hello A cable is attached at two (nonemoving)fixpoints. Now the cables midpoint is pulled downward, thereby destroying the catenary curve. Question: How will the cables center of mass (CM) move: op, down or stay fixed? My thoughts: I find it intuituitive that the CM will assume the...
  44. B

    Movement along and off a barrel hoop

    I want help for the final part of the solution to the following problem (it's initial situation being illustrated in http://chaos.fys.dtu.dk/fysik1/hjemmeopgave5.pdf - the diagram at "Opgave 2"): "A small brick (B in the diagram) is at the bottom of the inside of half a barrel hoop that has...
  45. C

    Simple harmonic movement problem

    I would really need help on these questions. A mass is on a piston that oscillates vertically describing a S.H.M. T= 1s. 1-At which amplitude does the mass comes off the piston? The answer is supposed to be 25 cm but I don't know how to find the position of the mass when it comes off the...
  46. B

    Solving Vector Coordinates Problem for Circular Movement

    hi , I have a problem about vector coordinates. this is the problem. We have a 2-dimension space [x(unit vector i) and y( unit vector j)]. I have a circle of center 0 (0,0) and a point P such that OP = r. Vector OP and the x-axis have an angle of θ . there is a unit vector ir , with...
  47. I

    Is Intelligent Falling the New Theory of Gravity?

    Had a laugh with this, and thought I'd share: http://www.theonion.com/news/index.php?issue=4133&n=2
  48. A

    Exploring Possibilities of No Movement FTL Travel

    I was thinking a while back, after reading something about inflation. if you could build a device that will increse the distance between you and an object(lets say earth), you would be able the change posision faster then sublightspeed motion allows. because you would create distance, of which...
  49. A

    Elliot Wave Structure: Predicting Market Vibrations

    suppose the "elliot wave structure" and movement in markets is fact and causes a vibration everytime (a vibration is a change in price due to a factor, here being the range). The elliot wave structure says that markets move in 5 waves as shown below, one up, one down ect till the top, where...
  50. S

    Of Velocity, Acceleration, and Movement

    NOTE: I have a physics question that I came across while working on a personal project. This is not a homework question. I was not sure which forum to put his in. I am not great at physics. However, I find that once in a while I need to use it in my daily life. I should have listened to my...
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