Explain how the motion of an apple falling to the ground is related to the orbi

Explain how the motion of an apple falling to the ground is related to the orbit of the Moon around the Earth.
Calculate g for astronauts who orbit the earth 200 km above the surface, given that the mass of the Earth is 5.98×1024 kg and the radius of the Earth is 6.38 x 106 m.  (answer ~9.3 m/s2)
Why does a person in free fall experience weightlessness?  Explain.
State each of Kepler’s Laws.
Given the mass of Mars is 6.4 x 1023 kg and the radius of Mars is 3390 km, find the weight of an 65 kg person on Mars in lbs (1 N = 0.225 lbs). (answer ~54 lbs).

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