1. 78 Force, Acceleration, and Mass

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3. 78 Force, Acceleration, and Mass Key Vocabulary acceleration force mass m/s 2 Newton (N)

4. 78 Force, Acceleration, and Mass What is acceleration? What are the metric units for speed, acceleration, and force? Record your answer in your notebook.

5. 78 Force, Acceleration, and Mass Calculate If a car traveling at 8 m/s to the right takes 2 seconds to speed up to 12 m/s in the same direction, what is its acceleration? Share your answer with the class.

6. 78 Force, Acceleration, and Mass Read the introduction and look for key ideas How does the car’s acceleration and mass affect the force it applies to an object it may hit?

7. 78 Force, Acceleration, and Mass What is the mathematical relationship between force, acceleration, and mass? How does the acceleration of the dogs affect the force on the sled?

8. 78 Force, Acceleration, and Mass Read the procedure step 1 What are the similarities and differences between this experiment and the ones you did earlier? Share your thoughts with the class.

9. 78 Force, Acceleration, and Mass Complete procedure part A: Graphing the Variables

10. 78 Force, Acceleration, and Mass Analysis question 1 Look at your graphed line for Experiment 1. Explain why it does or does not indicate that there is a relationship between force and acceleration.

11. 78 Force, Acceleration, and Mass Complete procedure parts B and C

12. 78 Force, Acceleration, and Mass Analysis question 2 Compare the two lines, “Experiment 1” and “Experiment 2” on your graph. Identify and explain: a.any similarities. b.any differences.

13. 78 Force, Acceleration, and Mass Analysis question 3 In your science notebook, make a table like the one below. Use your equation for force, mass, and acceleration to find the missing values.

14. 78 Force, Acceleration, and Mass Analysis question 4 In the first activity, Vehicle 2 has a greater acceleration than Vehicle 1, but has a less forceful engine. How can this be? Explain in terms of your equation.

15. 78 Force, Acceleration, and Mass Analysis question 5 One newton of force is the same as 1 kg m/s 2. Explain how this unit of measurement is appropriate for your equation.

16. 78 Force, Acceleration, and Mass What is the mathematical relationship between force, acceleration, and mass? How will the force of the golf club affect the acceleration of the golf ball?

17. 78 Force, Acceleration, and Mass Key vocabulary definitions Acceleration - The rate at which an object changes speed and/or direction. Force - A push or pull. Mass – The amount of matter in an object or system.

18. 78 Force, Acceleration, and Mass Key vocabulary definitions m/s 2 - Unit used to express acceleration; meters per second per second. Newton (N) - The (SI) unit for force; 1 kg x 1 m/s 2.