True or false: weightlessness

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   An astronaut in a satellite experiences weightlessness.

2. Statement is true

   No

   Statement

   It happens because gravity is very small up there.

3. Statement is true

   Yes

   Statement

   It happens because astronaut and satellite fall together.

4. Statement is true

   Yes

   Statement

   Gravity is still substantial at satellite altitudes.

5. Statement is true

   No

   Statement

   Weightlessness means gravity has switched off.

Explanation