3. [3.2/5 Points] DETAILS PREVIOUS ANSWERS (a) Calculate the magnitude of the gravitational force exerted by the Moon on a 70 kg human standing on the surface of the Moon. (The mass of the Moon is 7.4x1022 kg and its radius is 1.7x10S m.) (b) Calculate the magnitude of the gravitational force exerted by the human on the Moon. (c) For comparison, calculate the approximate magnitude of the gravitational force of this human on a similar human who is standing 2.5 meters away. (d) What approximations or simplifying assumptions must vou make in these calculations? (Note: Some of these choices are false because they are wrong physics!) C) Ignore the effects of the Sun, which alters the gravitational force that one object exerts on another. Treat the humans as though they were points or uniform-density spheres. C) Use the same gravitational constant in (a) and (b) despite its dependence on the size of the masses. Treat the Moon as though it were spherically symmetric. Additional Materials eBook Submit Answer