9
lesson pretestMultiple Choice

Pretest

Question 9 • Physics

Which best explains why astronauts appear weightless when they are in a space shuttle orbiting Earth?

Answer
A
They are falling toward Earth at the same rate as the space shuttle.
B
They are too far from Earth to experience air resistance.
C
They are falling toward Earth at a faster rate than the space shuttle.
D
They are too far from Earth to experience gravity.