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Basic Biomechanics 6th Edition Hall Test Bank

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Basic Biomechanics 6th Edition Hall Test Bank

ISBN-13: 978-0073376448

ISBN-10: 0073376442

 

Description

Basic Biomechanics 6th Edition Hall Test Bank

ISBN-13: 978-0073376448

ISBN-10: 0073376442

 

 

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Below you will find some free nursing test bank questions from this test bank:

c14

Student: ___________________________________________________________________________

1. Moment of inertia is the angular analogue of what?

A. moment of force

 

B. moment of time

 

C. mass

 

D. surface area

 

2. When knee flexion is increased, what happens to the moment of inertia of the leg about the hip?

A. increased

 

B. decreased

 

C. remains the same

 

D. need more information

 

3. In the absence of external torque, which of the following will increase when moment of inertia decreases?

A. angular momentum

 

B. angular velocity

 

C. both A & B

 

D. none of the above

 

4. Torque is the angular analogue of what?

A. momentum

 

B. force

 

C. mass

 

D. impulse

 

5. Which of the following variables contribute to moment of inertia?

A. F and d

 

B. T and t

 

C. M and v

 

D. m and k

 

6. Where is radius of gyration located in relation to center of gravity (COG)?

A. closer to the axis

 

B. further from the axis

 

C. same distance from the axis

 

D. need more information

 

7. If a diver goes from a full layout position to a tuck position, what will happen to her angular velocity?

A. increase

 

B. decrease

 

C. remain the same

 

D. need more information

 

8. If a diver goes from a full layout position to a tuck position, what will happen to his momentum?

A. increase

 

B. decrease

 

C. remain the same

 

D. need more information

 

9. How many principle axes are there for the human body?

A. one

 

B. two

 

C. three

 

D. four

 

10. Somersaulting occurs around which of the following axes of rotation?

A. frontal

 

B. sagittal

 

C. longitudinal

 

D. all of the above

 

11. Which of the following variables affects angular momentum?

A. linear velocity

 

B. angular acceleration

 

C. both A and B

 

D. neither A nor B

 

12. Which of the following is referred to as the “quantity of angular motion” possessed by a body?

A. angular displacement

 

B. angular velocity

 

C. angular acceleration

 

D. angular momentum

 

13. Which of the following quantities increases as moment of inertia decreases during the airborne phase of a dive?

A. angular momentum

 

B. angular velocity

 

C. both A and B

 

D. neither A nor B

 

14. Which of the following acts to produce a change in angular momentum?

A. moment of inertia

 

B. torque

 

C. angular impulse

 

D. none of the above

 

15. The statement “a rotating body will maintain a state of constant angular motion unless acted on by an external torque” refers to which of the following?

A. Newton’s first law of inertia

 

B. Newton’s second law of acceleration

 

C. Newton’s third law of action/reaction

 

D. none of the above

 

16. Centripetal force is related to which of the following?

A. radial acceleration

 

B. tangential acceleration

 

C. both A and B

 

D. none of the above

 

17. Which of the following is known as “center-seeking” force?

A. momentum

 

B. acceleration

 

C. centrifugal force

 

D. centripetal force

 

18. Which of the following is true of a baserunner weighing 70 Newtons and a baserunner weighing 50 Newtons?

A. the centripetal force exerted on the heavier baserunner will be greater

 

B. the heavier baserunner will not be able to run as fast around the bases, due to a greater centripetal force

 

C. if the baserunners run at the same velocity around the bases, the heavier baserunner will have to lean in more towards the pitcher’s mound due to a greater centripetal force

 

D. all of the above are true

 

19. When a cyclist rounds a curve, where does centripetal force act?

A. on the cyclist’s center of gravity

 

B. on the cycle’s center of gravity

 

C. on the tires of the cycle

 

D. on the ground

 

20. Centrifugal force is a misnomer. What is really happening when you feel a pull to the outside while rounding a curve?

A. centripetal force

 

B. inertia

 

C. both A and B

 

D. none of the above

 

21. What effect does “choking up” on a bat have?

A. reduces moment of inertia

 

B. increases angular velocity of swing

 

C. reduces mass

 

D. both A and B

 

E. all of the above

 

22. Regarding moment of inertia of the leg with respect to the hip, which of the following leg morphologies would favor a sprinter?

A. massive thighs and slimmer lower legs

 

B. massive lower legs and slimmer thighs

 

C. leg morphology does not matter

 

D. need more information

 

23. Which of the following accurately describes the radius of gyration of the forearm segment?

A. It is greater with respect to the wrist than with respect to the elbow.

 

B. It is greater with respect to the elbow than with respect to the wrist.

 

C. It is equal with respect to the wrist and with respect to the elbow.

 

D. need more information

 

24. Which of the following are accurate units for moment of inertia?

A. N·m

 

B. N·m2

 

C. kg·m2

 

D. kg·m

 

25. Rotating around which of the following principal axes of rotation has the least moment of inertia (anatomical position)?

A. transverse (frontal)

 

B. anteroposterior (sagittal)

 

C. longitudinal

 

D. need more information

 

26. Which of the following is/are accurate formula(s) for angular momentum?

A. H = Iw

 

B. H = mk2w

 

C. M = mv

 

D. both A and B

 

E. all of the above

 

27. If a pendulum stops swinging, which of the following is/are true?

A. angular velocity = 0

 

B. angular momentum = 0

 

C. both A and B

 

D. none of the above

 

28. What are the appropriate units for angular momentum?

A. kg·m2/s

 

B. kg·m/s2

 

C. kg2·m/s

 

D. kg·m2

 

29. How come gravity does not affect angular momentum?

A. d = 0

 

B. T = 0

 

C. both A and B

 

D. gravity does affect angular momentum

 

30. If total body angular momentum is 0, what will happen as the result of a forceful movement such as a spike?

A. compensatory rotation in lower body in opposite direction

 

B. compensatory rotation in upper body called follow-through

 

C. angular momentum is no longer 0

 

D. all of the above

 

31. Why does a figure skater cross his arms tightly across the chest when performing a quadruple axel?

A. to reduce moment of inertia

 

B. to increase angular velocity

 

C. to increase time in the air

 

D. both A and B

 

E. all of the above

 

32. According to Newton’s 2nd Law, what is the relationship among torque, moment of inertia, and angular acceleration?

A. T = Ia

 

B. I = Ta

 

C. a = TI

 

D. T = Iw

 

33. Which of Newton’s laws (angular analogues) explains why a batter wears cleats?

A. 1st law-moment of inertia

 

B. 2nd law-angular acceleration

 

C. 3rd law-reaction

 

D. none of the above

 

34. Which of the following is/are most important factor(s) affecting the magnitude of centripetal force?

A. tangential linear velocity

 

B. radius of rotation

 

C. mass

 

D. all of the above are equally important

 

35. How can a cyclist maintain balance when rounding a sharp curve?

A. slow down

 

B. lean to the inside of the curve

 

C. lean to the outside of the curve

 

D. both A and B

 

E. none of the above will affect balance

 

36. Which of the following are accurate units for centripetal force?

A. kg·m2/s

 

B. kg·deg2/s

 

C. N

 

D. N-kg·m

 

37. When a discus thrower spins and then releases the discus, what direction will it travel?

A. tangent to the circular path at release

 

B. tangent to the circular path at beginning of spin

 

C. will continue in circular path

 

D. need more information

 

38. Why do sprint coaches stress “heel to buttocks” during sprinting?

A. reduces moment of inertia of the leg with respect to the hip

 

B. reduces moment of inertia of the lower leg with respect to the knee

 

C. reduces moment of inertia of the foot with respect to the ankle

 

D. there is no scientific basis for this coaching cue

 

39. Why is a bat easier to swing if you grip the barrel instead of the handle?

A. k is reduced

 

B. k is increased

 

C. moment of inertia is increased

 

D. easier to grip the barrel

 

40. Why are golf club heads weighted?

A. to increase the moment of inertia of the club with respect to the shoulder

 

B. to increase the moment of inertia of the club head rotating around the shaft

 

C. to decrease the moment of inertia of the club with respect to the shoulder

 

D. to decrease the moment of inertia of the club head rotating around the shaft

 

41. The product of moment of inertia and angular velocity is ___________________ ___________________.

________________________________________

 

42. Angular impulse is the product of ___________________ and ___________________.

________________________________________

 

43. When a body is rotating, the force directed toward the center of rotation is called ___________________ force.

________________________________________

 

44. An axis that passes through the body’s center of gravity is a ___________________ axis.

________________________________________

 

45. Torque is the product of force and moment arm, or the product of moment of inertia and ___________________ ___________________.

________________________________________

 

46. Explain conservation of angular momentum using an example in sport, dance or rehabilitation, including appropriate formula.

 

 

 

 

47. Explain transfer of angular momentum using an example in sport, dance or rehabilitation.

 

 

 

 

48. Discuss the factors that affect moment of inertia, including examples.

 

 

 

 

49. Explain why the principal moment of inertia is so much larger around the frontal axis than around the longitudinal axis of a human body.

 

 

 

 

50. Discuss the advantages and disadvantages of a small body size (including muscle mass) for a gymnast performing full body rotations.

 

 

 

 

51. If an airborne performer wishes to maximize the number of revolutions she spins, she should extend the limbs as far from the axis of rotation as possible.

True    False

 

52. During skilled performance of a throw or strike, momentum is generally transferred from the more proximal segments to the more distal segments.

True    False

 

53. The angular analogue of Newton’s second law can be stated algebraically as T=Iα.

True    False

 

54. What has historically been referred to as centrifugal force, is really just inertia.

True    False

 

55. The principle moment of inertia of the human body is greatest around the anteroposterior axis.

True    False

 

 

 

c14 Key

1. Moment of inertia is the angular analogue of what?

A. moment of force

 

B. moment of time

 

C. mass

 

D. surface area

 

Hall – Chapter 14 #1
 

 

2. When knee flexion is increased, what happens to the moment of inertia of the leg about the hip?

A. increased

 

B. decreased

 

C. remains the same

 

D. need more information

 

Hall – Chapter 14 #2
 

 

3. In the absence of external torque, which of the following will increase when moment of inertia decreases?

A. angular momentum

 

B. angular velocity

 

C. both A & B

 

D. none of the above

 

Hall – Chapter 14 #3
 

 

4. Torque is the angular analogue of what?

A. momentum

 

B. force

 

C. mass

 

D. impulse

 

Hall – Chapter 14 #4
 

 

5. Which of the following variables contribute to moment of inertia?

A. F and d

 

B. T and t

 

C. M and v

 

D. m and k

 

Hall – Chapter 14 #5
 

 

6. Where is radius of gyration located in relation to center of gravity (COG)?

A. closer to the axis

 

B. further from the axis

 

C. same distance from the axis

 

D. need more information

 

Hall – Chapter 14 #6
 

 

7. If a diver goes from a full layout position to a tuck position, what will happen to her angular velocity?

A. increase

 

B. decrease

 

C. remain the same

 

D. need more information

 

Hall – Chapter 14 #7
 

 

8. If a diver goes from a full layout position to a tuck position, what will happen to his momentum?

A. increase

 

B. decrease

 

C. remain the same

 

D. need more information

 

Hall – Chapter 14 #8
 

 

9. How many principle axes are there for the human body?

A. one

 

B. two

 

C. three

 

D. four

 

Hall – Chapter 14 #9
 

 

10. Somersaulting occurs around which of the following axes of rotation?

A. frontal

 

B. sagittal

 

C. longitudinal

 

D. all of the above

 

Hall – Chapter 14 #10
 

 

11. Which of the following variables affects angular momentum?

A. linear velocity

 

B. angular acceleration

 

C. both A and B

 

D. neither A nor B

 

Hall – Chapter 14 #11
 

 

12. Which of the following is referred to as the “quantity of angular motion” possessed by a body?

A. angular displacement

 

B. angular velocity

 

C. angular acceleration

 

D. angular momentum

 

Hall – Chapter 14 #12
 

 

13. Which of the following quantities increases as moment of inertia decreases during the airborne phase of a dive?

A. angular momentum

 

B. angular velocity

 

C. both A and B

 

D. neither A nor B

 

Hall – Chapter 14 #13
 

 

14. Which of the following acts to produce a change in angular momentum?

A. moment of inertia

 

B. torque

 

C. angular impulse

 

D. none of the above

 

Hall – Chapter 14 #14
 

 

15. The statement “a rotating body will maintain a state of constant angular motion unless acted on by an external torque” refers to which of the following?

A. Newton’s first law of inertia

 

B. Newton’s second law of acceleration

 

C. Newton’s third law of action/reaction

 

D. none of the above

 

Hall – Chapter 14 #15
 

 

16. Centripetal force is related to which of the following?

A. radial acceleration

 

B. tangential acceleration

 

C. both A and B

 

D. none of the above

 

Hall – Chapter 14 #16
 

 

17. Which of the following is known as “center-seeking” force?

A. momentum

 

B. acceleration

 

C. centrifugal force

 

D. centripetal force

 

Hall – Chapter 14 #17
 

 

18. Which of the following is true of a baserunner weighing 70 Newtons and a baserunner weighing 50 Newtons?

A. the centripetal force exerted on the heavier baserunner will be greater

 

B. the heavier baserunner will not be able to run as fast around the bases, due to a greater centripetal force

 

C. if the baserunners run at the same velocity around the bases, the heavier baserunner will have to lean in more towards the pitcher’s mound due to a greater centripetal force

 

D. all of the above are true

 

Hall – Chapter 14 #18
 

 

19. When a cyclist rounds a curve, where does centripetal force act?

A. on the cyclist’s center of gravity

 

B. on the cycle’s center of gravity

 

C. on the tires of the cycle

 

D. on the ground

 

Hall – Chapter 14 #19
 

 

20. Centrifugal force is a misnomer. What is really happening when you feel a pull to the outside while rounding a curve?

A. centripetal force

 

B. inertia

 

C. both A and B

 

D. none of the above

 

Hall – Chapter 14 #20
 

 

21. What effect does “choking up” on a bat have?

A. reduces moment of inertia

 

B. increases angular velocity of swing

 

C. reduces mass

 

D. both A and B

 

E. all of the above

 

Hall – Chapter 14 #21
 

 

22. Regarding moment of inertia of the leg with respect to the hip, which of the following leg morphologies would favor a sprinter?

A. massive thighs and slimmer lower legs

 

B. massive lower legs and slimmer thighs

 

C. leg morphology does not matter

 

D. need more information

 

Hall – Chapter 14 #22
 

 

23. Which of the following accurately describes the radius of gyration of the forearm segment?

A. It is greater with respect to the wrist than with respect to the elbow.

 

B. It is greater with respect to the elbow than with respect to the wrist.

 

C. It is equal with respect to the wrist and with respect to the elbow.

 

D. need more information

 

Hall – Chapter 14 #23
 

 

24. Which of the following are accurate units for moment of inertia?

A. N·m

 

B. N·m2

 

C. kg·m2

 

D. kg·m

 

Hall – Chapter 14 #24
 

 

25. Rotating around which of the following principal axes of rotation has the least moment of inertia (anatomical position)?

A. transverse (frontal)

 

B. anteroposterior (sagittal)

 

C. longitudinal

 

D. need more information

 

Hall – Chapter 14 #25
 

 

26. Which of the following is/are accurate formula(s) for angular momentum?

A. H = Iw

 

B. H = mk2w

 

C. M = mv

 

D. both A and B

 

E. all of the above

 

Hall – Chapter 14 #26
 

 

27. If a pendulum stops swinging, which of the following is/are true?

A. angular velocity = 0

 

B. angular momentum = 0

 

C. both A and B

 

D. none of the above

 

Hall – Chapter 14 #27
 

 

28. What are the appropriate units for angular momentum?

A. kg·m2/s

 

B. kg·m/s2

 

C. kg2·m/s

 

D. kg·m2

 

Hall – Chapter 14 #28
 

 

29. How come gravity does not affect angular momentum?

A. d = 0

 

B. T = 0

 

C. both A and B

 

D. gravity does affect angular momentum

 

Hall – Chapter 14 #29
 

 

30. If total body angular momentum is 0, what will happen as the result of a forceful movement such as a spike?

A. compensatory rotation in lower body in opposite direction

 

B. compensatory rotation in upper body called follow-through

 

C. angular momentum is no longer 0

 

D. all of the above

 

Hall – Chapter 14 #30
 

 

31. Why does a figure skater cross his arms tightly across the chest when performing a quadruple axel?

A. to reduce moment of inertia

 

B. to increase angular velocity

 

C. to increase time in the air

 

D. both A and B

 

E. all of the above

 

Hall – Chapter 14 #31
 

 

32. According to Newton’s 2nd Law, what is the relationship among torque, moment of inertia, and angular acceleration?

A. T = Ia

 

B. I = Ta

 

C. a = TI

 

D. T = Iw

 

Hall – Chapter 14 #32
 

 

33. Which of Newton’s laws (angular analogues) explains why a batter wears cleats?

A. 1st law-moment of inertia

 

B. 2nd law-angular acceleration

 

C. 3rd law-reaction

 

D. none of the above

 

Hall – Chapter 14 #33
 

 

34. Which of the following is/are most important factor(s) affecting the magnitude of centripetal force?

A. tangential linear velocity

 

B. radius of rotation

 

C. mass

 

D. all of the above are equally important

 

Hall – Chapter 14 #34
 

 

35. How can a cyclist maintain balance when rounding a sharp curve?

A. slow down

 

B. lean to the inside of the curve

 

C. lean to the outside of the curve

 

D. both A and B

 

E. none of the above will affect balance

 

Hall – Chapter 14 #35
 

 

36. Which of the following are accurate units for centripetal force?

A. kg·m2/s

 

B. kg·deg2/s

 

C. N

 

D. N-kg·m

 

Hall – Chapter 14 #36
 

 

37. When a discus thrower spins and then releases the discus, what direction will it travel?

A. tangent to the circular path at release

 

B. tangent to the circular path at beginning of spin

 

C. will continue in circular path

 

D. need more information

 

Hall – Chapter 14 #37
 

 

38. Why do sprint coaches stress “heel to buttocks” during sprinting?

A. reduces moment of inertia of the leg with respect to the hip

 

B. reduces moment of inertia of the lower leg with respect to the knee

 

C. reduces moment of inertia of the foot with respect to the ankle

 

D. there is no scientific basis for this coaching cue

 

Hall – Chapter 14 #38
 

 

39. Why is a bat easier to swing if you grip the barrel instead of the handle?

A. k is reduced

 

B. k is increased

 

C. moment of inertia is increased

 

D. easier to grip the barrel

 

Hall – Chapter 14 #39
 

 

40. Why are golf club heads weighted?

A. to increase the moment of inertia of the club with respect to the shoulder

 

B. to increase the moment of inertia of the club head rotating around the shaft

 

C. to decrease the moment of inertia of the club with respect to the shoulder

 

D. to decrease the moment of inertia of the club head rotating around the shaft

 

Hall – Chapter 14 #40
 

 

41. The product of moment of inertia and angular velocity is ___________________ ___________________.

angular momentum

 

Hall – Chapter 14 #41
 

 

42. Angular impulse is the product of ___________________ and ___________________.

torque, time

 

Hall – Chapter 14 #42
 

 

43. When a body is rotating, the force directed toward the center of rotation is called ___________________ force.

centripetal

 

Hall – Chapter 14 #43
 

 

44. An axis that passes through the body’s center of gravity is a ___________________ axis.

cardinal or principle

 

Hall – Chapter 14 #44
 

 

45. Torque is the product of force and moment arm, or the product of moment of inertia and ___________________ ___________________.

angular acceleration

 

Hall – Chapter 14 #45
 

 

46. Explain conservation of angular momentum using an example in sport, dance or rehabilitation, including appropriate formula.

Answers will vary

 

Hall – Chapter 14 #46
 

 

47. Explain transfer of angular momentum using an example in sport, dance or rehabilitation.

Answers will vary

 

Hall – Chapter 14 #47
 

 

48. Discuss the factors that affect moment of inertia, including examples.

Answers will vary

 

Hall – Chapter 14 #48
 

 

49. Explain why the principal moment of inertia is so much larger around the frontal axis than around the longitudinal axis of a human body.

Answers will vary

 

Hall – Chapter 14 #49
 

 

50. Discuss the advantages and disadvantages of a small body size (including muscle mass) for a gymnast performing full body rotations.

Answers will vary

 

Hall – Chapter 14 #50
 

 

51. If an airborne performer wishes to maximize the number of revolutions she spins, she should extend the limbs as far from the axis of rotation as possible.

FALSE

 

Hall – Chapter 14 #51
 

 

52. During skilled performance of a throw or strike, momentum is generally transferred from the more proximal segments to the more distal segments.

TRUE

 

Hall – Chapter 14 #52
 

 

53. The angular analogue of Newton’s second law can be stated algebraically as T=Iα.

TRUE

 

Hall – Chapter 14 #53
 

 

54. What has historically been referred to as centrifugal force, is really just inertia.

TRUE

 

Hall – Chapter 14 #54
 

 

55. The principle moment of inertia of the human body is greatest around the anteroposterior axis.

TRUE

 

Hall – Chapter 14 #55
 

 

 

c14 Summary

Category # of Questions
Hall – Chapter 14 55