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Lecture2

# Lecture2 - Reading assignment and homework Chapter 2...

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1 Lecture 2 Mechanics Chapter 2: Newton’s First Law Reading assignment and homework Chapter 2: Questions: 4, 5, 7, 11, 12, 14, 16, and 20 Exercises: 2, 7, 9, 11, 17 Problems: 1, 4, 5 Plan Classical Mechanics 1. Newton’s First Law 2. Motion, Speed, and Force 2. Motion on one dimension 3. Vector quantities: Velocity and Force The Scientific Method ± Define the question ± Gather information and resources ± Form hypothesis ± Perform experiment and collect data ± Analyze data ± Interpret data and draw conclusions ± Publish results

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2 2. Classical Mechanics Classical mechanics (also called Newtonian mechanics) is used for describing the motion of macroscopic objects. ( From projectiles to parts of machinery, as well as astronomical objects, such as spacecrafts, planets, stars, and galaxies) What is Classical Mechanics? (A) Scientific fact? (B) Hypothesis? (C) Law? (D) Theory? (E) None of these? History: Founders of Classical Mechanics ± Galileo Galilei (1564 – 1642) ± Isaak Newton ( 1642 – 1727) English Physicist, Mathematician, Astronomer, and
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Lecture2 - Reading assignment and homework Chapter 2...

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