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Chapter 6. Physics A First Course. Energy and Systems. Energy and Systems Systems in Motion. 6.1 Motion in Two Dimension 6.2 Circular Motion 6.3 Centripetal Force, Gravitation, and Satellites 6.4 Center of Mass. Key Question: How do you predict the distance a projectile will travel?.

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## Chapter 6

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**Chapter 6**Physics A First Course Energy and Systems**Energy and SystemsSystems in Motion**• 6.1 Motion in Two Dimension • 6.2 Circular Motion • 6.3 Centripetal Force, Gravitation, and Satellites • 6.4 Center of Mass**Key Question:**How do you predict the distance a projectile will travel? 6A Investigation: Projectile Motion *Students read text section 6.1 AFTER Investigation 6A**6A Investigation Topics**• Launch projectiles. • Measure the range of a projectile. • Identify the variables that affect the range of a projectile. • Determine the range of a projectile launched at a certain angle and launch speed.**displacement**projectile trajectory parabola range Define projectile. Recognize the independence of a projectile's horizontal and vertical velocities. Describe the path of a projectile. Calculate a projectile's horizontal and vertical distance or speed. Explain how a projectile's launch angle affects its range. Chapter 6.1 Objectives and Vocabulary**Key Question:**How does gravity work on a ramp? 6B Investigation: Motion on a Ramp *Students read text section 6.2 AFTER Investigation 6B**6B Investigation Topics**• Measure acceleration. • Calculate the steepness of a hill. • Analyze motion on a ramp. • Calculate speed and acceleration. • Graph acceleration. • Use Newton's second law to calculate force.**circular motion**revolve angular speed linear speed circumference Distinguish between rotation and revolution. Calculate angular speed. Explain how angular speed, linear speed, and distance are related. Chapter 6.2 Objectives and Vocabulary**centripetal force**centrifugal force law of universal gravitation gravitational constant satellite orbit ellipse Explain how a centripetal force causes circular motion. List the factors that affect centripetal force. Describe the relationship between gravitational force, mass, and distance. Relate centripetal force to orbital motion. Chapter 6.3 Objectives and Vocabulary**center of mass**center of gravity Define the center of mass and center of gravity. Explain how to locate an objects center of mass and center of gravity. Use the concept of center of gravity to explain toppling. Chapter 6.4 Objectives and Vocabulary

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