10. An astronaut in an orbiting spacecraft is said to be weightless because ... a) No force of gravity is exerted on the astronaut b) The space craft exerts a force opposite to Earth's gravity and acts to suspend the astronaut c) The astronaut and the spacecraft are both in free fall d) There is no air resistance in the region where the astronaut is orbiting
10. An astronaut in an orbiting spacecraft is said to be weightless because ... a) No force of gravity is exerted on the astronaut b) The space craft exerts a force opposite to Earth's gravity and acts to suspend the astronaut c) The astronaut and the spacecraft are both in free fall d) There is no air resistance in the region where the astronaut is orbiting
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Transcribed Image Text:10. An astronaut in an orbiting spacecraft is said to be weightless because.
a)
No force of gravity is exerted on the astronaut
b) The space craft exerts a force opposite to Earth's gravity and acts to
suspend the astronaut
c)
The astronaut and the spacecraft are both in free fall
d) There is no air resistance in the region where the astronaut is orbiting
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