# Physics

Calculate the true weight of a 60 kg astronaut on: a) the surface of Mars, and b)the surface of Saturn.

Mass of Mars= 6.42x10^23
Mass of Saturn= 5.69x10^26

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1. Using W=mg

W = (60 kg)(9.81m/s^2) = 558.6 N

Weight = mass x surface gravity

W (Mars) = (60 kg)(6.42x10^23)= 3.85 x 10^25

W (Saturn) = (60 kg)(5.69x10^26)= 3.41 x 10^28

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