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It is of course overkill to use string theory for this, but I am still interested in how, for example, the trajectory of a horizontal throw of a mass point could be derived from string theory, after all, everything should be available in this theoretical framework to derive something like this.

iwab
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  • Voted to reopen, but for specificity, maybe you should explicitly say that you want to know how string theory would describe motion of a point mass in space, or whatever it is that you are envisioning... – Mitchell Porter Oct 03 '23 at 04:03
  • Have you studied quantum mechanics? " String theory attempts to reconcile general relativity (gravity) with quantum physics https://www.dummies.com/article/academics-the-arts/science/physics/string-theory-for-dummies-cheat-sheet-209405/ – anna v Oct 03 '23 at 04:51
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    The up quarks, down quarks, and electrons making up the Earth — and the virtual gluons, photons, and gravitons binding them into nucleons, atoms, and a planet — are strings. Similarly, the ball you throw is made of strings. The virtual gravitons mediating the gravitational force between the ball and the Earth are strings. General Relativity is a classical limit of string theory. Newtonian gravity is the non-relativistic limit of GR. Bingo! A parabola! – Ghoster Oct 03 '23 at 06:15
  • However, I am not a string theorist, so this may be too naïve. – Ghoster Oct 03 '23 at 06:16
  • Hi Leonard. Welcome to Phys.SE. What answer are you seeking beyond one that mentions the standard hierarchy of theories? Suggestion: Consider to limit the scope of the post, e.g. to only ask how classical string theory could model classical point particles. – Qmechanic Oct 03 '23 at 06:40

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