Physics · Gravitation

What is the primary reason for the sensation of weightlessness experienced by an astronaut in an orbiting spacecraft?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1The astronaut is beyond the gravitational pull of the Earth.
2The acceleration of the spacecraft is equal to the acceleration due to external gravity.✓
3The spacecraft lacks mechanical energy in orbit.
4There is no external gravity acting on the spacecraft.

Correct answer

The acceleration of the spacecraft is equal to the acceleration due to external gravity.

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