If You Draw A Spacetime Diagram The Worldline

The vertical axis represents the worldline of a stationary particle called observer 1. Note in order to plot all four dimensions on a diagram would.

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A line plotted on this diagram is termed a worldline.

If you draw a spacetime diagram the worldline. An introduction to spacetime diagrams which are a valuable tool used to understand special relativity. And at least in the context of this video and the next few videos were going to assume a newtonian world. This represents the motion of a beam of light.

Any time you are traveling through space at constant speed any time your worldline is perfectly straight any time your worldline is following the straightest possible path through spacetime any time you are very far from any planet you can never be truly weightless. Draw a diagonal line at 45. Video annotations relativity the complete series.

When you draw a space time diagram and the associated world line for an object moving through space time the diagram will be dependent upon the reference frame you are observing from right. If you draw a spacetime diagram the worldline of an object that is traveling by you at constant speed is slanted if you draw a spacetime diagram the worldline of an object that is acceleration away from you is. Like for instance the world line for a moving object when taking a reference frame riding along with that object will always be straight up since there does not appear to be any relative motion.

If you draw a spacetime diagram the worldline of an object that is stationary in your reference frame is vertical. Heres a little primer on spacetime diagrams to finish off our journey through einsteins relativity. The second in a series on special and general relativity.

We need to get back to other topics. But now in the next video were gonna use this what i just drew to draw her frame of reference to draw a coordinate system or i guess you could say a space time diagram for her frame of reference on top of this one. The horizontal line is considered the space axis of observer 1.

Draw a timelike line. Drawing a spacetime diagram draw horizontal and vertical axes. You wont feel any change and will have no way to know that youve left earth.

Let us know what you think of these. Spacetime will be called events since they represent something happening at a particular place at a particular time xyzt. A worldline is simply the path an object traces out through this four dimensional space.

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