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  1. 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 …

  2. Gravitational Force: Formula Derivation for 2 Continuous Bodies

    Feb 16, 2022 · The formula for gravitational force was derived by Sir Isaac Newton using his law of universal gravitation. He observed the motion of objects and the force of gravity between …

  3. 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.

  4. 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 …

  5. 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 …

  6. 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 …

  7. 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 …

  8. 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 …

  9. Law of universal gravitation on three objects - Physics Forums

    Dec 8, 2008 · To calculate the net gravitational force on the third sphere in a triangle formation with two other 10kg spheres, the gravitational force formula F=G (m1*m2)/r² is used. The …

  10. What Happens to Gravitational Force at the Center of the Earth?

    Jun 30, 2004 · I am sure most here are familiar with it Fg = G*m1*m2/d^2 With this formula, if one were to venture to the centre of the earth, the distance between he and the centre of the Earth …