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20 May, 19:54

Question 25

Astronauts orbiting the earth in the space shuttle experience a force of gravity that is

several times greater than the Fgrav experienced on Earth's surface.

several times smaller than the Fgrav experienced on Earth's surface.

a fraction greater than the Fgrav experienced on Earth's surface.

a fraction smaller than the Fgrav experienced on Earth's surface.

... nonsense! Orbiting astronauts do not experience any gravitational pull from the earth.

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Answers (1)
  1. 20 May, 20:21
    0
    The acceleration of gravity in low Earth orbit is a fraction smaller than it is on the Earth's surface, like maybe 15% less.

    The astronauts feel no gravity at all, because they and everything around them are constantly falling.
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