You weight 650 n. what would you wieght if the earth were four times as massive as it is and its raduis were three times its present value?

To solve this problem we will apply the concept given by the law of gravitational attraction, which properly defines gravity under the function

Here,

G = Gravitational Universal Constant

M = Mass of Earth

r = Distance between the human and the center of mass of the Earth

The acceleration due to gravity when is 4 times the mass of Earth and 3 times the radius would be given as,

The weight is defined as

So the new weight would be given as

Therefore the weight under this condition is 288.8N

it is called kinetic energy

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