1.

An astronaut inside a small spaceship orbiting around the earth cannot detect gravity. If the space station orbiting around the earth has a large size, can he hope to detect gravity?

Answer»

The value of acceleration due to gravity, g can be considered as constant inside small spaceship orbiting around the earth, so astronaut feels weightlessness.

If space station orbiting around has a large size, the variation in g matters and astronaut will experience gravitational force, hence he can detect gravity. On moon, due larger size, gravity can be detected.



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