1. Period 2 Question 1

2. Which of the following is WRONG?
The space station takes less than 2 hours to complete a turn
The space station is about 250 miles above the Earth’s surface
A geostationary satellite is about 22,000 miles above the Earth’s surface
A geostationary satellite is on a polar orbit
A geostationary satellite is always above the equator

3. Period 2 Question 2

4. A torque that is generated by a single force is NOT zero when
The force is perpendicular to the lever arm
The force is parallel to the lever arm
The force is not zero
the support of the force goes through the center of rotation

5. Period 3 Question 1

6. The astronauts in the space station are weightless because
of the outward pointing centripetal force
the normal force is equal to the gravitational attractive force
their acceleration = gravitational attractive force / their mass
they are wearing a spacesuit
their kinetic energy is equal to their potential energy

7. Period 3 Question 2

8. Which of the following is WRONG?
The space station takes less than 2 hours to complete a turn
The space station is about 250 miles above the Earth’s surface
A geostationary satellite is about 22,000 miles above the Earth’s surface
A geostationary satellite is on a polar orbit
A geostationary satellite is always above the equator