Why does a person in free fall experience weightlessness


Assignment:

1. Explain how the motion of an apple falling to the ground is related to the orbit of the Moon around the Earth.

2. Calculate g for astronauts who orbit the earth 200 km above the surface, given that the mass of the Earth is 5.98x1024 kg and the radius of the Earth is 6.38 x 106 m.

3. Why does a person in free fall experience weightlessness? Explain.

4. State each of Kepler's Laws.

5. 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).

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Physics: Why does a person in free fall experience weightlessness
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