How is the acceleration due to gravity on the surface of the earth related to it's mass and radius ?
Laws of Motion
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Question

How is the acceleration due to gravity on the surface of the earth related to it's mass and radius ?

KnowledgeBoat · Accepted Answer

The value of 'g' on earth depends on the value of mass and radius of earth. Let, g be the acceleration due to gravity of earth of mass M and radius R. By newton's law of motion, the force due to gravity on a body of mass m on it's surface will be F = mass x acceleration due to gravity or F = mg [Equation 1] By Newton's gravitational law, this attractive force is given by F = [Equation 2] From eqn. 1 and 2 we get, acceleration due to gravity g = .

Physics

How is the acceleration due to gravity on the surface of the earth related to it's mass and radius ?

Laws of Motion

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