Question

Astronauts orbiting in the International Space Station experience ‘weightlessness’. A group of students make the following statements to explain ‘weightlessness’ in the orbiting space station:

1. The gravitational field strength inside the space station is zero.
2. The space station and astronauts are both accelerating at the same rate towards theEarth.
3. The forces acting on the astronauts are balanced.

Which of these statements is/are correct?

1. I only
2. II only
3. III only
4. I and II only
5. II and III only

1 mark