Author Question: What is true of the Moon's orbital and rotational periods? A) The rotational period is longer. ... (Read 143 times)

maegan_martin · **on:** Jul 27, 2018

What is true of the Moon's orbital and rotational periods?

A) The rotational period is longer.
B) The orbital period is longer.
C) The rotational period varies with the Moon's phase.
D) They are equal.
E) The orbital period is greatest at full moon.

Question 2

According to Newton's Law of Universal Gravitation, if the Moon were three times further from Earth, the force by Earth on the Moon would:

A) increase by a factor of 3.
B) decrease by a factor of 3.
C) increase by a factor of 9.
D) decrease by a factor of 9.
E) stay the same.