Question

Mention and explain, one similarity and one difference in the following types of motion
(i) Rotation of the Earth
(ii) Revolution of the Earth

Answer 1

Answer:

Explanation:

If the axis passes through the body's center of mass, the body is said to rotate upon itself, or spin. A rotation around an external point, e.g. the planet Earth around the Sun, is called a revolution or orbital revolution, typically when it is produced by gravity. The axis is called a pole.

When an object turns around an internal axis (like the Earth turns around its axis) it is called a rotation. When an object circles an external axis (like the Earth circles the sun) it is called a revolution.