Keep trying until you find the correct answer.

1. The object below rolls without slipping on a flat surface. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
   
   

   1.   ?    Clockwise or into the diagram
   2.   ?    Counterclockwise or out of the diagram

2. The object below rolls without slipping on a flat surface. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
   
   

   1.   ?    Clockwise or into the diagram
   2.   ?    Counterclockwise or out of the diagram

3. The object below rolls without slipping along a flat ceiling. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
   
   

   1.   ?    Clockwise or into the diagram
   2.   ?    Counterclockwise or out of the diagram

4. The object below rolls without slipping along a flat ceiling. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
   
   

   1.   ?    Clockwise or into the diagram
   2.   ?    Counterclockwise or out of the diagram

5. The object below rolls without slipping on an incline. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
   
   

   1.   ?    Clockwise or into the diagram
   2.   ?    Counterclockwise or out of the diagram

6. The object below rolls without slipping on an incline. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
   
   

   1.   ?    Clockwise or into the diagram
   2.   ?    Counterclockwise or out of the diagram

7. The object below rolls without slipping on an incline. Th

   1.   ?    Clockwise or into the diagram
   2.   ?    Counterclockwise or out of the diagram

8. The object below rolls without slipping on an incline. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
   
   

   1.   ?    Clockwise or into the diagram
   2.   ?    Counterclockwise or out of the diagram

9. The object below rolls without slipping on an upside-down incline. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
   
   

   1.   ?    Clockwise or into the diagram
   2.   ?    Counterclockwise or out of the diagram

10. The object below rolls without slipping on an upside-down incline. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
    
    

    1.   ?    Clockwise or into the diagram
    2.   ?    Counterclockwise or out of the diagram

11. The object below rolls without slipping on an upside-down incline. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
    
    

    1.   ?    Clockwise or into the diagram
    2.   ?    Counterclockwise or out of the diagram

12. The object below rolls without slipping on an upside-down incline. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
    
    

    1.   ?    Clockwise or into the diagram
    2.   ?    Counterclockwise or out of the diagram

13. The object below rolls without slipping on a vertical wall. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
    
    

    1.   ?    Clockwise or into the diagram
    2.   ?    Counterclockwise or out of the diagram

14. The object below rolls without slipping on a vertical wall. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
    
    

    1.   ?    Clockwise or into the diagram
    2.   ?    Counterclockwise or out of the diagram

15. The object below rolls without slipping on a vertical wall. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
    
    

    1.   ?    Clockwise or into the diagram
    2.   ?    Counterclockwise or out of the diagram

16. The object below rolls without slipping on a vertical wall. The direction of the linear acceleration a is shown. What is the direction of the angular acceleration α?
    
    

    1.   ?    Clockwise or into the diagram
    2.   ?    Counterclockwise or out of the diagram

17. The object below rolls without slipping on a flat surface. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    To the right ( → )
    2.   ?    To the left ( ← )

18. The object below rolls without slipping on a flat surface. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    To the right ( → )
    2.   ?    To the left ( ← )

19. The object below rolls without slipping along a flat ceiling. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    To the right ( → )
    2.   ?    To the left ( ← )

20. The object below rolls without slipping along a flat ceiling. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    To the right ( → )
    2.   ?    To the left ( ← )

21. The object below rolls without slipping on an incline. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    Up the incline
    2.   ?    Down the incline

22. The object below rolls without slipping on an incline. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    Up the incline
    2.   ?    Down the incline

23. The object below rolls without slipping on an incline. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    Up the incline
    2.   ?    Down the incline

24. The object below rolls without slipping on an incline. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    Up the incline
    2.   ?    Down the incline

25. The object below rolls without slipping on an upside-down incline. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    Up the incline
    2.   ?    Down the incline

26. The object below rolls without slipping on an upside-down incline. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    Up the incline
    2.   ?    Down the incline

27. The object below rolls without slipping on an upside-down incline. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    Up the incline
    2.   ?    Down the incline

28. The object below rolls without slipping on an upside-down incline. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    Up the incline
    2.   ?    Down the incline

29. The object below rolls without slipping on a vertical wall. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    Upward ( ↑ )
    2.   ?    Downward ( ↓ )

30. The object below rolls without slipping on a vertical wall. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    Upward ( ↑ )
    2.   ?    Downward ( ↓ )

31. The object below rolls without slipping on a vertical wall. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    Upward ( ↑ )
    2.   ?    Downward ( ↓ )

32. The object below rolls without slipping on a vertical wall. The direction of the angular acceleration α is shown. What is the direction of the linear acceleration a?
    
    

    1.   ?    Upward ( ↑ )
    2.   ?    Downward ( ↓ )

33. The object below rolls without slipping on a flat surface. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

34. The object below rolls without slipping on a flat surface. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

35. The object below rolls without slipping along a flat ceiling. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

36. The object below rolls without slipping along a flat ceiling. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

37. The object below rolls without slipping on an incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

38. The object below rolls without slipping on an incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

39. The object below rolls without slipping on an incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

40. The object below rolls without slipping on an incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

41. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

42. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

43. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

44. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

45. The object below rolls without slipping on a vertical wall. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

46. The object below rolls without slipping on a vertical wall. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

47. The object below rolls without slipping on a vertical wall. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

48. The object below rolls without slipping on a vertical wall. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

49. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

50. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

51. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

52. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

53. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

54. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

55. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

56. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

57. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

58. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

59. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

60. The object below rolls without slipping on an upside-down incline. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

61. The object below rolls without slipping on a vertical wall. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

62. The object below rolls without slipping on a vertical wall. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

63. The object below rolls without slipping on a vertical wall. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No

64. The object below rolls without slipping on a vertical wall. Directions for the linear acceleration a and the angular acceleration α are shown. Are a and α consistent with rolling?
    
    

    1.   ?    Yes
    2.   ?    No