The Moon always keeps the same face toward Earth because
A) of the Moon's own tidal forces on itself.
B) of tidal forces from the Sun.
C) of tidal forces from Earth.
D) of the combined tidal forces from Earth and the Sun.
E) all sides of the Moon face Earth at one time or another.

Question

Quizplus · Accepted Answer

The Moon keeps the same face toward Earth due to tidal locking, which is caused by Earth's gravitational forces creating a torque that has synchronized the Moon's rotation period with its orbital period around Earth.

The Moon Always Keeps the Same Face Toward Earth Because