Gravitational Force in terms of Density? • Physics Forums
Apr 29, 2017 · The discussion revolves around expressing the gravitational force equation in terms of density, starting from the standard gravitational force formula. Participants express confusion about …
Gravitational Force: Formula Derivation for 2 Continuous Bodies
Feb 16, 2022 · The gravitational force formula for two continuous bodies is derived from the point mass formula F = Gm1m2/r^2. The derivation involves considering the gravitational interaction between …
Gravity Force Calculation: m1, m2 & r^2 • Physics Forums
Jul 22, 2004 · The discussion clarifies the application of Newton's law of gravitation, specifically the formula F = (G * m1 * m2) / r^2, which calculates the gravitational force between two masses.
How Can Gravity Be Expressed as a Function of Density?
Aug 12, 2011 · Hi, I'm just playing a bit with the numbers... The gravitational strength of a planet really depends on its density, but I'm wondering how I'm supposed to create a formula where gravity is the …
Derivation of Gravitational Potential - Physics Forums
Feb 18, 2013 · The discussion revolves around the derivation of the Gravitational Potential formula, specifically the transition from the integral of gravitational force to the potential energy expression. …
How to calculate gravitational force? - Physics Forums
May 10, 2011 · The discussion focuses on calculating gravitational force using the formula F = G (m1*m2)/r^2, where G is the gravitational constant (6.67E-11 m3 s-2 kg-1). Participants clarify that …
Gravitational Force (Why the negative sign?) - Physics Forums
Aug 9, 2007 · Homework Statement How come it is said that attractive forces such as gravitational force have negative sign? And how come the sign is ignored in the case of gravitational force? And also, …
Dot product in the Gravitational Potential Energy formula
May 22, 2015 · The discussion centers on the gravitational potential energy formula and the confusion surrounding the negative sign in the dot product of the gravitational force and the displacement …
Gravitational Force: Position Formula for Object Attracted
Nov 28, 2008 · Hi. How can one create a formula for the position of a object attracted by a gravitational force? Assume we have a large planet with radius r 0 and mass M, whose position almost does not …
Why does an attractive force always have a negative sign?
Jul 25, 2016 · In case of coulomb force it makes sense because when the charged particles are of opposite signs a negative sign is sure to be appeared.But why do we necessarily use it for …