Chapter 3, Problem 1A

What were the two classifications of motion, according to Aristotle?

To determine

Two classifications of motion according to Aristotle.

Explanation of Solution

Introduction:

In the 4^th century B.C. Greeks are studying science and developing ideas like forces causes the motion.

The Greek scientists Aristotle studied motion and causes of motion.

Aristotle considered motion are of two types

1. Natural motion 2. Violent motion

Natural motion is motion due to earth and Violent motion is imposed motion.

Aristotle considered Natural motion is motion without forces.

The motion like object falling from a height or stars or planets revolving in circular motion around earth are the motion which require no external force. These motions are due to earth.

Violent motion is the motion due to pull and push acting on an object.

Conclusion:

The Natural motion is the motion without forces.