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)both gravitational force and centrifugal force created by Earth's more rapid rotation at the poles.

Question

Quizplus · Accepted Answer

Newton reasoned that the centrifugal force created by Earth's more rapid rotation at the equator would cause the planet to bulge slightly. This would result in the equatorial diameter being 26.5 miles (42.7 kilometers) greater than the polar diameter.

Isaac Newton Reasoned That Earth Was Not Perfectly Spherical Because