This document contains multiple word problems related to physics concepts like velocity, acceleration, and Newton's laws of motion. It asks the reader to calculate distances, velocities, accelerations, and forces based on information provided in various scenarios involving running tracks, baseball pitching, walking, kicking cats, punching people, and forces in our solar system. It also reviews definitions of Newton's laws and the factors that affect acceleration.

1. Word Problems

2. 1. Julie runs 0.99 laps on a 400 m track. What is her total distance travelled?

3. 2. A cat runs 17 m into the street where a car runs over it. What is the cat’s total distance travelled? What is its displacement?

4. If we’re trying to measure how fast a pitched ball is moving, then we need to find the distance it traveled and divide it by the total time it took to travel.

5. First find the distance traveled:

6. If the pitching mound is 60 ft. 6 in. from home plate, that is roughly 18.5 meters. v = d/t and in this case, distance is 18.5 meters So . . . Let’s say it took Chewy’s baseball 0.5 seconds to reach home plate, then . . .

7. What is the velocity of the baseball?

8. 3. Jamie walks to the bathroom 36 m away. It takes her 12 seconds. What is her velocity?

9. 4. Mrs. Lonnberg kicks a cat. Its speed increases from 2 m/s to 14 m/s. This took 3 seconds. What was the cat’s acceleration?

10. 5. You punch someone. His face accelerates at 2 m/s2. The mass of his head is 12 kg. With what force did you punch him?

11. Are this man’s forces balanced? How do you know?

12. Are there balanced forces in our solar system? How do you know?

13. Are these sky divers’ forces balanced? How do you know?

14. What is Newton’s 1st Law otherwise known as?

17. What is Newton’s 2nd Law?

18. What two factors affect acceleration?

19. What two factors affect acceleration?

22. What is Newton’s 3rd Law?

26. What law says that any two masses exert an attractive force on one another?

27. How do you calculate the force of gravity between 2 objects?

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