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Physics 15 Online
OpenStudy (anonymous):

Find the force a 68.5 kg person would experience while standing on the surface of Mars. Mars has a mass of 6.43 x 1023 kg and a radius of 3.43 x 106m from its center to the surface. 790 N 259 N 246 N 8.57 x 108 N

OpenStudy (masumanwar):

We need to fine the acceleration due to gravity on the place where the man is standing and then multiply with the mass to get the gravitational pull F=GMm/R ^2

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