What are the four fundamental forces?
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Wife, Tax man, Mortgage, Kids.
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Nuclear force, gravitational force, (I think these can be either attractive or repulsive:) electrostatic force, and magnetic force.
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Gravity. The force itself is one of the weakest in science, and somewhat confounds the scientific community to how weak it really is comparison to such forces as Strong Nuclear force.
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F = ma\n\nF - Force\nm - mass\na - acceleration
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Quantum mechanics is a fundamental physical theory that replaces Newtonian mechanics and classical electromagnetism at the atomic and subatomic levels and is the underlying framework of many fields of physics and chemistry, including condensed matter physics, quantum chemistry, and particle physics. Often, it is the answer to questions when general relativity fails.
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The four forces of nature, in order of their strength: \n1. Strong Nuclear Force\n2. Electromagnetic Force\n3. Weak Nuclear Force\n4. Gravity.\n\nThe four forces, in order of the distance over which their influence is felt:\n1. Gravity\n2. Electromagnetic Force\n3. Weak Nuclear Force\n4. Strong Nuclear Force
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What the hell are you even talking about?  There are no other forces.  Any force in the universe is merely a composition of the four fundamental forces.
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density,volume,weight,number of electron and proton.
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Anew theory of gravity as well as a unified field theory (UFT) are being proposed, showing how the four force fields work together, implicating also a fifth field. A main feature of this new model is the proposal of the existence of diallel, gravitational-field lines that emanate from every entity. For the earth, for example, they emanate radially from its center. These diallel lines provide a conduit for combined particle and wave flow and exchange beyond the speed of light, and they have quantum states similar to the atom. On the web site, we present a general field equation showing the importance of energy density in this new UFT. We also present a new gravitational force equation, that has as a special case the commonly accepted gravitational equation.
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The electrostatic force is one of the four fundamental forces. It acts between all charged particles, repulsive between like charges and attractive between unalike charges. Going a bit deeper its origin is in the exchange of carrier particles, which in the case of the electrostatic force are photons.\n\nMagnetism is an effect of special relativity on the electrostatic force. Hence it only applies between moving charges. An electron will have no response to a magnetic field if it is not moving and the field is not changing. Otherwise it will move perpendicular to both its path and the magnetic field.
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Protons, Neutrons, and electrons
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Mass.\n\nF=ma\n\nF is the force\nm is the mass\na is acceleration
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Try these links\n\nhttp://en.wikipedia.org/wiki/Electric_force#The_electromagnetic_force\n\nhttp://en.wikipedia.org/wiki/Electrical_current\n\nMay the Electric Force be with you... always.
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kinetic, gravitational, spring, electrical, magnetic, mechanical, heat, nuclear, light, and chemical.  (There are 10 altogether.)\n\nPlease see this web page:\nhttp://www.fi.edu/guide/hughes/energytypes10.html\n\nI hope this helps. :)\nANON
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There are several definitions of the word "force," but since your question is in the Other Science section, this should be the one you're looking for ---\n\nForce is a vector quantity; its size is measured in Newtons. One Newton will make a body of mass 1kg accelerate from rest to 1 metre per second, in a time of one second.
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1.ATOMIC NUMBER\n2.ELECTRON\n3.SHELL\n4.ORBIT
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Force is a vector quantity as it has both magnitude (size) and direction.