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--- courses:ast100:1.1 [2026/01/20 12:08] – asad
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-====== The Four Fundamental Forces ======
+====== 1.1. The Four Fundamental Forces ======
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 In modern physics, a force is not merely a "push" or "pull" but the mechanism by which the universe manages energy distribution. At the quantum level, forces are exchanges of information and momentum mediated by "carrier" particles called **bosons**, creating **fields** that permeate space and store **potential energy**. The relationship between force and energy can be visualized as a slope: a force is effectively the "gradient" of a potential energy field. Just as a ball rolls down a hill to minimize its gravitational potential energy, particles are "pushed" by forces toward states of lower potential energy. Thus, when a particle interacts with a field, it exchanges potential energy for kinetic energy, manifesting as the physical force we observe acting over a distance.
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