Question 1

Total drag is greater for which athletes?

Accepted Answer

A)  swimmers 
B)  runners 
C)  equal for swimmers and runners 
D)  need more information 
A)  swimmers 
B)  runners 
C)  equal for swimmers and runners 
D)  need more information A

Question 2

Fresh water is more dense than which of the following?

Accepted Answer

A)  sea water 
B)  air 
C)  muscle 
D)  none of the above 
A)  sea water 
B)  air 
C)  muscle 
D)  none of the above B

Question 3

It is harder to float in salt water than fresh water.

Accepted Answer

A) True 
 B)False  False

Question 4

Buoyant force is directly related to what?

Accepted Answer

A)  mass 
B)  weight 
C)  volume 
D)  density 
A)  mass 
B)  weight 
C)  volume 
D)  density

Question 5

The Bernoulli Principle explains the inverse relationship between velocity and pressure.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following quantities are forces?

Accepted Answer

A)  friction 
B)  buoyancy 
C)  weight 
D)  all of the above 
A)  friction 
B)  buoyancy 
C)  weight 
D)  all of the above

Question 7

The theory attributing propulsion in swimming to Newton's third law is what?

Accepted Answer

A)  the propulsive drag theory 
B)  the propulsive lift theory 
C)  the vortex theory 
D)  none of the above 
A)  the propulsive drag theory 
B)  the propulsive lift theory 
C)  the vortex theory 
D)  none of the above

Question 8

Why were so many world records set at the 1968 Olympic Games in Mexico City?

Accepted Answer

A)  higher altitude reduced VO2max 
B)  higher altitude reduced drag force 
C)  both A and B 
D)  none of the above 
A)  higher altitude reduced VO2max 
B)  higher altitude reduced drag force 
C)  both A and B 
D)  none of the above

Question 9

Which two forces are always opposite in direction?

Accepted Answer

A)  lift and drag 
B)  buoyancy and drag 
C)  buoyancy and weight 
D)  drag and weight 
A)  lift and drag 
B)  buoyancy and drag 
C)  buoyancy and weight 
D)  drag and weight

Question 10

How do dimples on a golf ball reduce form drag?

Accepted Answer

A)  produce a turbulent boundary layer 
B)  produce a laminar boundary layer 
C)  both A and B 
D)  dimples do not reduce form drag 
A)  produce a turbulent boundary layer 
B)  produce a laminar boundary layer 
C)  both A and B 
D)  dimples do not reduce form drag

Question 11

A lift force created by spin is called ___________________ force.

Accepted Answer

The answer of A lift force created by spin is...

Question 12

A man's ability to float is most directly related to his what?

Accepted Answer

A)  mass 
B)  weight 
C)  volume 
D)  density 
A)  mass 
B)  weight 
C)  volume 
D)  density

Question 13

Lift force occurs in which direction?

Accepted Answer

A)  up 
B)  down 
C)  sideways 
D)  all of the above 
A)  up 
B)  down 
C)  sideways 
D)  all of the above

Question 14

Which of the following statements is always true?

Accepted Answer

A)  center of volume is in the same place as center of mass 
B)  center of volume is in the same place as center of buoyancy 
C)  center of mass is in the same place as center of buoyancy 
D)  all of the above are true 
A)  center of volume is in the same place as center of mass 
B)  center of volume is in the same place as center of buoyancy 
C)  center of mass is in the same place as center of buoyancy 
D)  all of the above are true

Question 15

The physical law stating that the buoyant force acting on a body is equal to the weight of the fluid displaced by the body is called ___________________ ___________________.

Accepted Answer

Archimedes

Question 16

"Drafting" can reduce which kind of drag?

Accepted Answer

A)  skin friction 
B)  form drag 
C)  wave drag 
D)  all of the above 
A)  skin friction 
B)  form drag 
C)  wave drag 
D)  all of the above

Question 17

Explain the theoretical square law, including examples.

Accepted Answer

The theoretical square law states that t

Question 18

Which of the following is considered a foil shape?

Accepted Answer

A)  human hand 
B)  discus 
C)  shot put 
D)  both A and B 
E)  all of the above 
A)  human hand 
B)  discus 
C)  shot put 
D)  both A and B 
E)  all of the above

Question 19

Relative velocity of the fluid affects which of the following?

Accepted Answer

A)  skin friction 
B)  wave drag 
C)  lift force 
D)  all of the above 
A)  skin friction 
B)  wave drag 
C)  lift force 
D)  all of the above

Question 20

Which of the following factors affects lift force?

Accepted Answer

A)  relative velocity of the fluid 
B)  fluid density 
C)  size, shape, and orientation of the body 
D)  all of the above 
A)  relative velocity of the fluid 
B)  fluid density 
C)  size, shape, and orientation of the body 
D)  all of the above

Total drag is greater for which athletes?

Fresh water is more dense than which of the following?

It is harder to float in salt water than fresh water.

Buoyant force is directly related to what?

The Bernoulli Principle explains the inverse relationship between velocity and pressure.

Which of the following quantities are forces?

The theory attributing propulsion in swimming to Newton's third law is what?

Why were so many world records set at the 1968 Olympic Games in Mexico City?

Which two forces are always opposite in direction?

How do dimples on a golf ball reduce form drag?

A lift force created by spin is called ___________________ force.

A man's ability to float is most directly related to his what?

Lift force occurs in which direction?

Which of the following statements is always true?

The physical law stating that the buoyant force acting on a body is equal to the weight of the fluid displaced by the body is called _ _.

"Drafting" can reduce which kind of drag?

Explain the theoretical square law, including examples.

Which of the following is considered a foil shape?

Relative velocity of the fluid affects which of the following?

Which of the following factors affects lift force?

What Is Biomechanics

Kinematic Concepts for Analyzing Human Motion

Kinetic Concepts for Analyzing Human Motion

The Biomechanics of Human Bone Growth and Development

The Biomechanics of Human Skeletal Articulations

The Biomechanics of Human Skeletal Muscle

The Biomechanics of the Human Upper Extremity

The Biomechanics of the Human Lower Extremity

The Biomechanics of the Human Spine

Linear Kinematics of Human Movement

Angular Kinematics of Human Movement

Linear Kinetics of Human Movement

Equilibrium and Human Movement

Angular Kinetics of Human Movement

Filters

Exam 15: Human Movement in a Fluid Medium

Total drag is greater for which athletes?

Fresh water is more dense than which of the following?

It is harder to float in salt water than fresh water.

Buoyant force is directly related to what?

The Bernoulli Principle explains the inverse relationship between velocity and pressure.

Which of the following quantities are forces?

The theory attributing propulsion in swimming to Newton's third law is what?

Why were so many world records set at the 1968 Olympic Games in Mexico City?

Which two forces are always opposite in direction?

How do dimples on a golf ball reduce form drag?

A lift force created by spin is called ___________________ force.

A man's ability to float is most directly related to his what?

Lift force occurs in which direction?

Which of the following statements is always true?

The physical law stating that the buoyant force acting on a body is equal to the weight of the fluid displaced by the body is called ___________________ ___________________.

"Drafting" can reduce which kind of drag?

Explain the theoretical square law, including examples.

Which of the following is considered a foil shape?

Relative velocity of the fluid affects which of the following?

Which of the following factors affects lift force?

What Is Biomechanics

Kinematic Concepts for Analyzing Human Motion

Kinetic Concepts for Analyzing Human Motion

The Biomechanics of Human Bone Growth and Development

The Biomechanics of Human Skeletal Articulations

The Biomechanics of Human Skeletal Muscle

The Biomechanics of the Human Upper Extremity

The Biomechanics of the Human Lower Extremity

The Biomechanics of the Human Spine

Linear Kinematics of Human Movement

Angular Kinematics of Human Movement

Linear Kinetics of Human Movement

Equilibrium and Human Movement

Angular Kinetics of Human Movement

Filters

The physical law stating that the buoyant force acting on a body is equal to the weight of the fluid displaced by the body is called _ _.