CK-12 Physical Science Concepts - For Middle School

4.22. Inertia http://www.ck12.org 4.22 Inertia Define inertia. Describe how inertia affects motion. State the relationship betw ...

http://www.ck12.org Chapter 4. Motion and Forces FIGURE 4.43 Inertia explains why it’s important to always wear a seat belt. Ine ...

4.22. Inertia http://www.ck12.org FIGURE 4.44 Summary Inertia is the tendency of an object to resist a change in its motion. Be ...

http://www.ck12.org Chapter 4. Motion and Forces FIGURE 4.45 ...

4.23 Newton’s Second Law 4.23 Newton’s Second Law State Newton’s second law of motion. Compare and contrast the effects of forc ...

http://www.ck12.org Chapter 4. Motion and Forces A: Tony exerts a backward force against the ground, as you can see in theFigure ...

4.23. Newton’s Second Law http://www.ck12.org Review State Newton’s second law of motion. How can Newton’s second law of motion ...

http://www.ck12.org Chapter 4. Motion and Forces 4.24 Calculating Acceleration from Force and Mass Describe the relationships a ...

4.24 Calculating Acceleration from Force and Mass Calculating Acceleration This equation for acceleration can be used to calcula ...

http://www.ck12.org Chapter 4. Motion and Forces accelerate at 0.8 m/s^2? A: It would take only 32 N of force (40 kg×0.8 m/s^2 ) ...

4.24. Calculating Acceleration from Force and Mass http://www.ck12.org 3. FIGURE 4.48 ...

http://www.ck12.org Chapter 4. Motion and Forces 4.25 Mass vs Weight Define weight. Show how to calculate the weight of an obje ...

4.25. Mass vs Weight http://www.ck12.org its weight. For example, if mass doubles, weight doubles as well. You can learn more ab ...

http://www.ck12.org Chapter 4. Motion and Forces FIGURE 4.49 ...

4.26 Newton’s Third Law 4.26 Newton’s Third Law State Newton’s Third Law of Motion. Describe action and reaction forces. Explai ...

http://www.ck12.org Chapter 4. Motion and Forces is the reaction. Compare the top and bottom arrows. They point in different dir ...

4.26. Newton’s Third Law http://www.ck12.org Vocabulary Newton’s third law of motion: Law stating that every action has an equa ...

http://www.ck12.org Chapter 4. Motion and Forces 4.27 Momentum Define momentum. Relate momentum to mass and velocity. Calculate ...

4.27. Momentum http://www.ck12.org A: Jerod obviously has greater mass than Cody, so he would have greater momentum. He would al ...

http://www.ck12.org Chapter 4. Motion and Forces Explore More At the following URL, review how to calculate momentum, and then s ...