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Einstien is right about one thing, gravity is not a force as defined by F=ma, but gravity is a force if you define force as resulting from energy. Energy is hidden in the equation F=ma twice. Once in the Force and once in the acceleration. That is how energy is expressed in this equation.
Well Inertia and gravity are same at fundamental level. Inertia - A body due to its mass (energy), creates a dip of space around it. That dip makes a force be required to make a change in state of the body. Hence causes inertia. Gravity - Same dip (curve) due to mass (energy) of the body manifests as gravity for other bodies.
Millikan was neutralizing the force of gravity (creating anti-gravity), by using a battery and two metal plates to create an electrical force that was equal and opposite to the gravity force. If Millikan could neutralize the force of gravity by opposing it with a simple electrical force, this can be considered evidence that gravity is a simple electrical force of classical physics…
Feb 18, 2014 · Acceleration due to gravity at depth d below the earth's surface is given by: g(d) = GMeRe − d R3e g (d) = G M e R e − d R e 3. Where, G = Universal gravitational constant. Me = Mass of the earth. Re = Radius of the earth. d = depth below the earth's surface. Share.
Sep 29, 2020 · So what we actually compare are 1 kg 1 k g and kg C2 k g C 2, which means only the cause of the electric field (C C) and the cause of the gravitational field (kg k g) are involved in the comparison. So this leads to (setting 1 kg 1 k g equal to kg C2 k g C 2) kg2 =C2. k g 2 = C 2. Comparing the two (though units differ, we compare the values ...
Oct 14, 2019 · 4. For example, if a ball is attached to a string and released from a vertical height and then pivots around a point to initiate circular motion, tension is equal to centripetal motion. If, on the other hand, a ball hands from a string and it’s hit in such a way that it travels in a vertical circle. Tension is not just equal to centripetal force.
Jul 27, 2015 · However, in free fall, there's an external force acting on you -- gravity -- and you're accelerating. However, the nice thing about gravity is that it delivers momentum inside you exactly where it is going to be consumed by making you move, so there will be no flow of momentum within you, no stresses, and nothing to feel.
Feb 17, 2015 · Whatever the gravity is, it still produces a greater force on the water than it does the oil, so the water will always sink. In terms of materials floating or sinking relative to other materials, it doesn't matter where the gravity is strong of weak, what matters is only the direction of the gravity.
Dec 8, 2020 · 3. If you double the gravity the air pressure will be doubled. F = mg F = m g. we can replace m m, mass, with density and volume, so, F = ρVg F = ρ V g. Now let's write the volume as area time height. F = ρhAg F = ρ h A g. Now we can calculate the pressure. P = F A = ρhg P = F A = ρ h g.
May 14, 2020 · Classically (meaning non-quantum and non-GR) gravity is described by Newton's law of Universal Gravitation, in which gravity is certainly a force. However, General Relativity supersedes classical physics when it comes to gravity, and gravity is instead the manifestation of curved spacetime and is not a force. Part of the reason we commonly call ...
