1. Physics A First Course
Energy and Systems
Chapter 6

2. 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

3. 6A Investigation: Projectile Motion
Key Question:
How do you predict the distance a projectile will travel?
*Students read text section 6.1
AFTER Investigation 6A

4. 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.

5. Chapter 6.1 Objectives and Vocabulary
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.
displacement
projectile
trajectory
parabola
range

6. 6.1 Motion in two dimensions

9. 6B Investigation: Motion on a Ramp
Key Question:
How does gravity work on a ramp?
*Students read text section 6.2
AFTER Investigation 6B

10. 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.

11. Chapter 6.2 Objectives and Vocabulary
Distinguish between rotation and revolution.
Calculate angular speed.
Explain how angular speed, linear speed, and distance are related.
circular motion
revolve
angular speed
linear speed
circumference

14. Chapter 6.3 Objectives and Vocabulary
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.
centripetal force
centrifugal force
law of universal gravitation
gravitational constant
satellite
orbit
ellipse

16. Chapter 6.4 Objectives and Vocabulary
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.
center of mass
center of gravity