Which is greater, the gravitational attraction between a newborn baby and the Earth, or the gravitational attraction between the Earth and all the planets of the solar system?
A) the attraction between the baby and Earth
B) the attraction between the planets and Earth
C) They are roughly equal.
D) The baby's and the planets gravitational attractions are inversely proportional to each other.
Answer: A
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A piece of wood is floating in a bathtub. A second piece of wood sits on top of the first piece, and does not touch the water. If the top piece is taken off and placed in the water, what happens to the water level in the tub?
A) It goes up. B) It goes down. C) It does not change. D) It cannot be determined without knowing the volumes of the two pieces of wood.
When more people ride upward in an elevator, more power is required
Indicate whether the statement is true or false
If each element in this circuit has a resistance of 12 
, what is the resistance of the entire circuit?
Determine the charge on the wool or fur after it has been used to rub a rubber rod