Because an interaction results in fermions attracting and repelling each other, an older term for interaction is force. According to the present understanding, there are four fundamental interactions or forces gravitation, electromagnetism, the weak interaction, and the strong interaction. New online games are added every day, so that any gamer will find a game to your taste In any game, you can play online for free, without registration. This is a list of VeggieTales compilation videos. Originally, Big Idea Entertainment and its successors Classic Media and DreamWorks Animation have all bundled the. This article may contain an excessive amount of intricate detail that may only interest a specific audience. Please help by spinning off or relocating any relevant. Their magnitude and behaviour vary greatly, as described in the table below. Modern physics attempts to explain every observed physical phenomenon by these fundamental interactions. Moreover, reducing the number of different interaction types is seen as desirable. Two cases in point are the unification of. Electric and magnetic force into electromagnetism. The electromagnetic interaction and the weak interaction into the electroweak interaction see below. Both magnitude relative strength and range, as given in the table, are meaningful only within a rather complex theoretical framework. It should also be noted that the table below lists properties of a conceptual scheme that is still the subject of ongoing research. Statistical Techniques Statistical Mechanics. In physics, the fundamental interactions, also known as fundamental forces, are the interactions that do not appear to be reducible to more basic interactions. Gravitation was the first interaction to be described mathematically. In ancient times, Aristotle hypothesized that objects of different masses fall at different rates. During the Scientific Revolution, Galileo Galilei experimentally determined that this was not the case neglecting the friction due to air resistance, and buoyancy forces if an atmosphere is present e. Earth at the same rate. Isaac Newtons law of Universal Gravitation 1. Our present day understanding of gravitation stems from Albert Einsteins General Theory of Relativity of 1. Merging general relativity and quantum mechanics or quantum field theory into a more general theory of quantum gravity is an area of active research. It is hypothesized that gravitation is mediated by a massless spin 2 particle called the graviton. The 1. 94. 7 discovery of the pion ushered in the modern era of particle physics. Hundreds of hadrons were discovered from the 1. Most notably. The pions were understood to be oscillations of vacuum condensates. Jun John Sakurai proposed the rho and omega vector bosons to be force carrying particles for approximate symmetries of isospin and hypercharge. Geoffrey Chew, Edward K. Burdett and Steven Frautschi grouped the heavier hadrons into families that could be understood as vibrational and rotational excitations of strings. While each of these approaches offered deep insights, no approach led directly to a fundamental theory.