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. A

    Imminence of movement with movable pulleys

    Answer: E My solution: 1) Load 2q: Y direction: $$ T_1cos\alpha=mg + 2Eq$$ 2) Load q: Radial direction: $$ T_2-\frac{Fel}{sen\alpha}-\frac{Fmag}{cos\alpha}-\frac{mg}{cos\alpha}=\frac{mv^2}{l}$$ $$T_2cos\alpha=\frac{Fel}{tg\alpha}+Fmag+mg+\frac{mv^2cos\alpha}{l}$$ 3) Stem connected to...
  2. N

    I What initiates gravitational movement?

    I understand that under the GTR space and time are curved and movement takes place along that curved surface. Setting aside for the moment the additional consideration that the space curvature is in three dimensions, I do not understand the impetus for acceleration. If an object is just sitting...
  3. K

    I Infinitesimal Movement Along 3-d Geodesics

    I would like to determine how a point (xo,yo,zo) moves along a geodesic on a three dimensional graph when it initially starts moving in a direction according to a unit vector <vxo,vyo,vzo>. So, if I start at that point, after a very small amount of time, what is its new coordinate (x1,y1,z1) and...
  4. mcastillo356

    Doubt about the 2nd position vector direction in a particle's movement

    I have not tried to make any calculation. It's nonsense, because I don't understand the statement. The first vector points to the west. Given a two dimensional coordinate system, the first vector is pointing to the left. I imagine geographical coordinates, north (+y), south (-y), west (-x), and...
  5. Livio Arshavin Leiva

    Rectilinear movement seen from a rotating reference frame

    Let's suppose there's some platform that is rotating with angular speed omega and has a radius R. At t=0 we release some object from the border, which has an initial speed perpendicular to the radius direction with magnitude \omega R and we want to know its position at t=T with respect to the...
  6. A

    Solving a Damped Movement w/ Mass Spring System: Find K, Acceleration

    hello everyone could you help me with this exercise please muffled movement The mass spring system shown is at rest, to which an external element tensions it 1.9 (cm) (positive section of our study) and releases it, it begins to oscillate describing a damped movement. Considering that k = 180...
  7. A

    I Need help developing a movement function for motor motion

    Hi, I have a motor that i would like to rotate to a certain angle, in a controlled manner. During the movement, i want to update the final position I want to reach. The new updated function has to start with the same speed the initial function ended with I wan to find a function that does this...
  8. VarnaiKristof

    B Can Universe Be Decelerating in Time?

    Is it theoretically possible that the whole universe is decelerating in time? My question originates from the discovery, that objects further away accelerates away faster. Is that acceleration measured from us or from the center of the big bang?
  9. E

    Function for the movement of a charged particle in a B field

    The movement in the z-direction is easy to solve for, as it's only affected by the gravitational force. However, if there's a magnetic field pointing down along the z-axis, the particle is going to be accelerated along the y-axis (F=q*v *B). The force is always going to be perpendicular to the...
  10. alex23

    Study the action in a one-dimensional movement (Hamilton Principle)

    Using the Lagrangian of the system I reached that ##x(t)=\frac{1}{2} gt^2+ut ## is the real trajectory of the particle. After that, I consider different trajectories: ##x(\alpha,t) = x(t) + \alpha(t)## with ##\alpha(t)## being an arbitrary function of t expect for the conditions...
  11. P

    B Black hole movement with no time......?

    If a black hole experiences infinitely slow time (IE time stops) due to their singularity, how are they able to move/orbit? If supermassives occupy the centre of most/all galaxies. How are the galaxies moving if the black holes can't?
  12. R

    Movement contraptions that inspired Newton's 2nd law of motion

    Besides gravity that always works perpendicular to Earth and thus pulls apples from apple trees towards the ground, there must have been some sort of mid 17th century human made contraption, that used a constant force, produced to move objects with or without wheels, in a direction parallel to...
  13. R

    I What is the Constant Speed of Movement through Spacetime?

    Hi I have been reading Brian Cox/Jeff Forshaw book on Why does E=mc2 (highly recommend it) One thing I don't get (page 95) is when they say everything moves through spacetime at the same constant speed c?! I get why a person/object A at rest moves through space time with speed c - but say...
  14. K

    A Differential movement along a curved surface

    I'd like to understand the movement of a particle along the surface of a three dimensional graph. For example, if there is a flat two dimensional plane (z=2 for all x and y), and a unit vector describes its initial direction of movement (<sqrt(2)/2i+sqrt(2)/2j> for example), then the vector...
  15. Robin04

    I Matter movement versus spacetime expansion

    If I understood well, cosmology makes a difference between matter moving in spacetime and the expansion of spacetime itself. Are these concepts experimentally distinguishable, or this distinction is only in our theories?
  16. cemtu

    Classical Mechanics: Linear movement against a constant force

    I solved this question until the end of the "c)Find the distance until the boat completely stop" However I can not solve the integral I encounter in the solution of the last part of c). Would you please check for math and maybe my mistakes and tell me what to do? Here:
  17. SovietComics

    B What is the speed of electron movement in atoms at different temperatures?

    I am just asking how fast an electron spins around the nucleus of the atom at lower temperature such as indoors? and at high temp such as explosion or fire? I know that electricity electrons and energy transfer are much quicker, but I am just asking how fast an electron goes around the nucleus...
  18. Z

    B Coriolis problem - Point mass movement upon release from Earth

    If there was no atmosphere and a point mass was released at the 45th parallel and able to counteract the centripetal force of gravity (hovering 10ft off the surface), how long would it take before it ended up at the equator.
  19. M

    Object movement under the infuence of Forces on the x,y axes

    Which could be the first step to find the V(t) ?
  20. M

    Helicoidal movement: acceleration vector, arc length, radius of curvature

    I have tried to solve it and I would like a confirmation, correction or if something else is suggested... :) Helicoidal movement
  21. D

    Does an AC Magnetic field induce movement in a DC Magnetic Field?

    Summary: Can a rotating AC Magnetic field induce movement in a static DC Magnetic flux? I'm designing a control panel, and the customer has asked us to reduce the EMC as much as possible; there are no drives, or other noise creating devices, just AC circuits. I thought a good starting point...
  22. N

    Hypothetical Movement of Unidentified Aircraft

    I know that the standard mantra of physicists who view themselves and their work as mainstream believe its never aliens. After all, as Carl Sagan reminded us, "extraordinary claims require extraordinary proof, " as it should rightly be. But, recently, some pretty extraordinary proof has made its...
  23. X

    Motorized Stages for the smallest incremental movement possible?

    I've got a project where I need to move a laser into a detector about 100m away and need to find some motorized stages with the smallest possible incremental movements. The whole package will need to be pretty small, probably no bigger than the size of a bread box. The motorized stages will be...
  24. M

    Deceleration formula for movement simulation

    Hi, i have one big problem with this simple formula, i tried many ways and combinations, but nothing worked how i wanted it. Let's assume we have a distance, let's say it's 100000 units of any type, could be virtual since i am trying to program a 3d physics engine. The object pass that...
  25. Lunct

    Is Brownian Motion actually random or does it follow determinism?

    If you have enough information could you not determine with certainty the movements of pollen particles in water? In other words, if you were able to measure the movements the particles, then repeat the exact same experiment, with all things controlled, would the particles move in the same way...
  26. O

    Rotational Movement of a Disc

    I am doing a project, but am struggling to find relationships of proportionality or formulae between my dependent variables (angular velocity, displacement, acceleration of the disc and kinetic energy of the system) and my independent variables (falling masses and then the number of winds) or...
  27. W

    HVAC Understanding the movement of a fluid in a vertical pipe

    The actual problem I am trying to understand is the suction requirement to move #2 home heating fuel from the outdoor tank to the pump of the burner located in my cellar. But first i just want to understand the movement of fluid in a vertical pipe without worrying about viscosity or...
  28. A

    B Movement in a Vacuum: Does Acceleration Show Anything?

    A very basic level question. Two objects are floating in a vaccum, Object A and Object B. Then distance begins to grow between the two objects. Object A feels acceleration being exerted, Object B does not. What does this show? From a classical perspective, it would be my understanding...
  29. A

    I Faking a Formula For Movement Through Gravity

    I have a strange question. It's strange because I don't need a correct answer. I need an answer that seems correct and leads to predictable results. I'm making a multiplayer computer game where the players fire cannons in outer space. The cannon shells will move through the gravitational fields...
  30. D

    Trajectory of a particle when its position vector changes

    Homework Statement The position vector of a particle changes: Only by its module. Only by its direction. What can be said about the trayectory of the movement of the particle? Obtain the answer analitically. Homework Equations None. The Attempt at a Solution I think that the trayectory...
  31. Adgorn

    Contradicting solutions to a basic movement problem.

    Homework Statement Hi, everyone. I came across a basic calculus problem concerning movement of 2 problems, I've attempted to solve it using vector analysis and got 1 answer, and then solved it with differentiation and got a different answer. I'll show a version of it I made which is a bit more...
  32. Javier Lopez

    Particle movement in a non-static magnetic field

    Particles follows accordingly the general equation: $$ m*\overrightarrow{a}=q*\overrightarrow{E}+q*\overrightarrow{v}\wedge \overrightarrow{B} $$ But in the case of two coupled coils the time varying current at primary coil (and its magnetic field variation) creates corresponding varying...
  33. I

    Model electron movement in an electric field (Magic Eye tube)

    Hello there, I'd like to model a simplified version of a "Magic Eye" tube (e.g. without the amplification triode, and for a start, 2 dimensions only), or the visible display behavior. What I'm talking about: https://en.wikipedia.org/wiki/Magic_eye_tube#Operation Here is a nicer depiction of...
  34. F

    How to dampen movement within a magnetic field?

    I'm not sufficiently educated on this stuff to properly describe the question. Sorry. Consider the following. a primitive gauge is set up in order to observe the differential air flow between two sources. Assuming static pressure linearly corresponds to differences in flow. so balancing air...
  35. InfiniteEntity

    I Hypothetical Question About Particles & Movement

    I was watching videos on YouTube and this question suddenly popped into my head: If I was able to push a sub-atomic particle (proton, electron, etc...) a distance of 1 Planck length. Excluding all the quantum interactions and uncertainties, is it possible to measure/calculate how fast the...
  36. velvetmist

    Finding the movement equation (non intertial system)

    Homework Statement A particle of a mass ##m## is embedded in a circular rail, (radius: ##R##), without any friction. In a given moment, the particle finds itselfs without velocity at point C, and a force is applied on the rail, which starts moving with an ## \vec A ## constant acceleration. Use...
  37. I

    What are the dynamics of a spiral movement?

    Homework Statement As you'll know, the driving force for a circular movement is a centripetal force. But wat is the dynamics for a spiral movement, i.e. an increasing circular movement? And how can I produce it, let's say for a little spherical object, in real life? The Attempt at a Solution I...
  38. Physicsterian

    Defining equilibrium and movement in pulley arrangements

    Homework Statement I had to answer which of the pulley arrangements illustrated (see picture) is in equilibrium (the drawing went a bit difficult, please see all outer boxes as equal in size and the middle ones as well) I managed to answer that it is arrangement C, by finding out that...
  39. K

    Still's disease and muscle movement

    What muscle or tendon is involved when you tried to touch the armpit of the other side of the body and there is slight muscle or tendon pain for the arms that reached out to the other armpit ? I feel some mild muscle pain last night after gym and just want to see the anatomy involved. I'm not...
  40. A

    What is the equation for friction's role in walking?

    When we loose the touch with ground no friction is acting..so how we accelarate ? also friction prevent our foot from sliding but also accelarates our body ? how is it possible to acting in 2 different points ( foot and center of mass ) ?
  41. Zahid Iftikhar

    I Comparison of movement of Disc and Hoop

    A disc and a hoop (ring) both of same mass and radius roll down an inclined plane of height "h". It is well known the disc has great velocity than that of the hoop at the bottom. I am fixed in the situation after they start rolling horizontally. Which will go farther? If the surface is...
  42. Doruk Y

    How can we visualize the movement of Photons on the water?

    We all know that the photons have a wave-like motion,if the waves on the water form because of the motion of the particles inside the air(oxygen+nitrogen gas and %1 another gasses) so in the beginnig of this process,photons hit the air and make particles jiggle and that make air jiggle and air...
  43. T

    I Can tiny gas bubbles cause discomfort in body cavities?

    Can someone explain why air rises to the highest point in the body cavities like peritoneal/pleural?
  44. G

    Movement of a balloon in dead air

    I had a helium balloon in my car tied so it hangs down by string toughing nothing. Windows are rolled up. Heat and AC are off. Air inside the car is not moving and car is parked with motor running. When I step on the gas pedal and car takes off forward balloon goes forward towards the...
  45. physea

    Methods to convert linear movement to circular

    Hello, Obviously using a piston, you convert linear movement to circular. Or using a turbine. Other methods/mechanisms?
  46. R

    B Absolute Movement and Time in 3D Space: Exploring the Relationship

    if you have 3 space ships on the x, y and z axis and they blast off...one of them must be moving in an absolute sense. Is it the case that if there is absolute movement then there MUST be absolute time also?
  47. Pierre Parent

    I Quantum Zeno effect to influence a particle's movement

    Hi, I've had an idea I would like feed-back. Let's imagine a particle on an x axis. On it's initial state it is localized in segment [0,1] as a purely symmetric wave. The quantum Zeno effects tells us that if we measure wether the particle is still in [0,1] n times during one second, the...
  48. Michael Nelo

    Troubleshooting Nonlinear Pendulum Movement with Air Friction: Tips and Analysis

    The Problem So, I know the basic, the basic differential equation of movement in terms of the angle it is formed, which has the form: 0 = g⋅sin[α(t)] + α''(t)⋅l. However, I decided to consider the friction force of the air, which is always contrary to the movement, and proportional to the...
  49. B

    Horizontal propagated movement of mechanical wave

    Homework Statement A hand induces a transverse wave in a string by periodically moving up and down. This causes the string to move up and down. This movement propagates through the string producing a series of wavefronts which move towards the fixed wall with a velocity v. How do we...
  50. J

    Movement by electrical induction

    So, when you bring a charged object near for example a soda can, I get that the soda can gains a positive side and a negative side, but the can also moves towards the charged object, why is that? Is it because if you put a negative charged object near the soda can the side of the can nearest to...
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