Isaac Newton reasoned that Earth was not perfectly spherical because of
A)centrifugal force created by Earth's more rapid rotation at the equator.
B)centrifugal force created by Earth's more rapid rotation at the poles.
C)gravitational force created by Earth's more rapid rotation at the equator.
D)gravitational force created by Earth's more rapid rotation at the poles.
E)the curvature of the horizon from ships at sea.

Question

Quizplus · Accepted Answer

According to Newton's laws of motion, the rotation of Earth creates a centrifugal force that causes the planet to bulge at the equator and flatten at the poles. This means that Earth is not perfectly spherical, but rather an oblate spheroid shape.

Isaac Newton Reasoned That Earth Was Not Perfectly Spherical Because