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Why does an astronaut in a spacecraft orbiting the Earth experience a feeling of weightlessness?
Astronauts experience weightlessness in orbit due to the absence of a normal force acting on them. In a spacecraft orbiting Earth, both the astronaut and the spacecraft are in free fall, moving at the same speed towards Earth. This results in the sensation of weightlessness, as there is no force exerted by the floor of the spacecraft. The phenomenon is a direct consequence of the principles of gravity and motion in a microgravity environment.
PREREQUISITESAerospace engineers, physics students, educators, and anyone interested in the effects of microgravity on human physiology and motion in space.
What do you normally feel when you are at rest on earth? What would be different if you were in a spacecraft in orbit?parwana said:Why does an astronaut in a spacecraft orbiting the Earth experience a feeling of weightlessness?