The famous Leaning Tower of Pisa doesn't topple over because its ...

[mmm]

The famous Leaning Tower of Pisa doesn't topple over because its center of gravity is
 
  A) relatively low for such a tall building.
  B) stabilized by its structure.
  C) displaced from its center.
  D) above a place of support.
  E) in the same place as its center of mass.

Question 2

If Earth had a pair of identical moons on opposite sides of the same circular orbit, the center of gravity of the double-moon-Earth system would be
 
  A) inside the Earth, but off center.
  B) at the center of the Earth.
  C) outside the Earth, but within the orbital path of the moons.
  D) outside the Earth, but beyond the orbital path of the moons.

[duke02]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: B

[mmm]

Gracias!

[Dnite]

TYSM