26. REASONINGThe weight of a person on the earth is the gravitational force Fearththat it exerts on the person. The magnitude of this force is given by Equation 4.3 as earthpersonearth2earthmmFGr=where rearthis the distance from the center of the earth to the person. In a similar fashion, the weight of the person on another planet is planetpersonplanet2planetmmFGr=We will use these two expressions to obtain the weight of the traveler on the planet. SOLUTIONDividing Fplanetby Fearthwe have planetperson22planetplanetplanetearthearthpersonearthearth
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rEarth, Fplanet Fearth, gravitational force Fearth, mearth mperson