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Force, Motion and Dynamics Study Guide
1. Give an example of an exerting force.
2. What happens when two forces act in the same direction?
3. What happens when two forces act in opposite directions?
4. Define inertia.
5. What is the relationship between mass and inertia?
6. Define weight.
7. Compare weight and mass.
8. According to Newton’s second law, how can you increase an object’s acceleration?
9. Define rolling friction. Give an example.
10. Define static friction. Give an example.
11. Define kinetic friction. Give an example.
12. Define drag. Give an example.
13. What type of force is air resistance?
14. Explain the law of universal gravitation.
15. Forces can only be combined when…
16. Describe Newton’s 1st law, give an example.
17. Describe Newton’s 2nd law, give an example. (Note: you will need to know how to use this formula to solve for
any variable in the equation and know the correct units for each variable).
18. Describe Newton’s 3rd law, give an example.
19. Define force. Name and explain the forces investigated this year.
20. What is the relationship between friction and surface area?
21. Describe the motion of an object when the forces are balanced.
22. Describe the motion of an object when the forces are not balanced.
23. What is the relationship between friction and weight?
24. What is the formula for determining the weight of an object? (Note: you will need to know how to use this
formula to solve for any variable in the equation and know the correct units for each variable).
25. What is the gravitational constant for earth?
26. How do you determine net force for objects acting in opposite directions (180 degree line)?
27. How do you determine the net force for objects acting in the same direction?
28. Describe the parallelogram method for finding net force.
29. Describe the head to tail method for finding net force.
30. Define net force.
31. Explain normal force. Give an example.
32. Explain tension. Give an example.
33. What are field forces? What forces are field forces?
34. What are contact forces? What forces are contact forces?
35. What is an interacting force pair, give an example.
36. On a speed vs. time graph, how can you tell the strength of a force?
37. What does a vector represent?
38. How do you determine the length of a vector?
39. How do you determine the force of a vector?
40. Describe frame of reference/reference point?
41. If an object is moving, what direction is kinetic friction?
42. For the skier below, draw vectors to represent the forces affecting the skier. Note: the skier is not moving.