Physics · Gravitation
What is the primary reason for the sensation of weightlessness inside a spacecraft orbiting the Earth?
- 1The atmospheric pressure inside the spacecraft is zero
- 2The spacecraft is moving at a velocity greater than the speed of light
- 3There is absolutely no gravitational force acting in space
- 4The acceleration of the spacecraft in orbit is equal to the acceleration due to gravity at that altitude✓
Correct answer
The acceleration of the spacecraft in orbit is equal to the acceleration due to gravity at that altitude
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