Q Part 1: Briefly discuss where a spacecraft might experience the strongest gravitational force... on the Earth, on the Moon, or in the middle of both (be clear about the role that "net force" plays)? Then, explain what a planet in "orbit" actually means according to Newton's Law of Gravitation & his cannonball thought experiment. Part 2: Considering there's no magnetic charge, what role do neutrons play in an atom?
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