Chapter Objectives:

• Describe Aristotle's concepts of natural and violent motion.
• Describe Copernicus' Idea about Earth's motion.
• Describe Galileo's contribution to the science of motion.
• State Newton's first law of motion.
• Distinguish among mass, volume, and weight, and their units of measurements.
• Explain how something that is not connected to the ground is able to keep up with the moving Earth.
• Explain why a clothesline or wire that can easily support an object when strung vertically may break when strung horizontally and supporting the same object.
• Describe how the angle between vectors affects their resultant vector.

Chapter Terms:

• inertia
• force
• mechanical equlibrium
• equilibrium rule

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Chapter Outline Framework:

• Aristotle on Motion
• Copernicus and the Movint Earth
• Galileo and the Leaning Tower
• Galileo's Inclined Planes
• Newton's First Law of Motion
• Net Force
• The Equilibrium Rule
• Support Force
• Equilibrium of Moving Things
• The Moving Earth

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