The amount of gravitational force that acts on a space vehicle that orbits Earth is
A) nearly zero.
B) nearly as much as the vehicle's weight on Earth's surface.
C) the same as the vehicle's weight on Earth's surface.
Question 2
Each of us weighs slightly less inside the ground floor of a skyscraper than we do on the ground away from the skyscraper because the
A) gravitational force is shielded inside the building.
B) mass of the building attracts us upward slightly.
C) both of these
D) none of the above