Question 1

What factor(s) distinguishes elite sprinters from non-elite performers?

Accepted Answer

A)  stride length 
B)  stride frequency 
C)  both A & B 
D)  none of the above 
A)  stride length 
B)  stride frequency 
C)  both A & B 
D)  none of the above B

Question 2

In the absence of air resistance, the horizontal acceleration of a projectile is always equal to ___________________.

Accepted Answer

zero

Question 3

Although elite sprinters display improved kinematics over non-elite sprinters, elite 1500-m runners do not display distinguishable kinematic differences over other skilled runners.

Accepted Answer

A) True 
 B)False  False

Question 4

Toddlers exhibit more kinematic variability than adults during walking.

Accepted Answer

A) True 
 B)False

Question 5

A ball is kicked with an initial velocity of 10 m/s at an angle of 30°. Neglecting air resistance, what is the speed of the ball at landing?

Accepted Answer

A)  10 m/s 
B)  10 m/s multiplied by the sine of 30 degrees 
C)  10 m/s multiplied by the cosine of 30 degrees 
D)  none of the above 
A)  10 m/s 
B)  10 m/s multiplied by the sine of 30 degrees 
C)  10 m/s multiplied by the cosine of 30 degrees 
D)  none of the above

Question 6

The shape of a projectile's trajectory is influenced by which of the following?

Accepted Answer

A)  angle of projection 
B)  air resistance 
C)  speed of projection 
D)  both A and B 
E)  all of the above 
A)  angle of projection 
B)  air resistance 
C)  speed of projection 
D)  both A and B 
E)  all of the above

Question 7

A ball rolling across a field with an acceleration of -0.5 m/s2 rolls 12.5 m and then comes to a stop after 8 seconds. What was the ball's initial speed?

Accepted Answer

A)  4 m/s 
B)  16 m/s 
C)  12.5 m/s 
D)  6.25 m/s 
A)  4 m/s 
B)  16 m/s 
C)  12.5 m/s 
D)  6.25 m/s

Question 8

Once a projectile is airborne, it is affected by which of the following?

Accepted Answer

A)  gravity 
B)  air resistance 
C)  release velocity 
D)  both A & B 
E)  all of the above 
A)  gravity 
B)  air resistance 
C)  release velocity 
D)  both A & B 
E)  all of the above

Question 9

The meter is the unit of measurement for which of the following?

Accepted Answer

A)  distance 
B)  displacement 
C)  speed 
D)  both A and B 
E)  all of the above 
A)  distance 
B)  displacement 
C)  speed 
D)  both A and B 
E)  all of the above

Question 10

Which of the following represents vertical acceleration of a projectile?

Accepted Answer

A)  -9.81 m/s2 
B)  -9.81 m/s 
C)  0 m/s2 
D)  0 m/s 
A)  -9.81 m/s2 
B)  -9.81 m/s 
C)  0 m/s2 
D)  0 m/s

Question 11

In a 5K road race, the finish line is also the starting line. What does 5K represent?

Accepted Answer

A)  distance 
B)  displacement 
C)  speed 
D)  velocity 
A)  distance 
B)  displacement 
C)  speed 
D)  velocity

Question 12

What quantity is calculated as the inverse of speed?

Accepted Answer

A)  velocity 
B)  acceleration 
C)  pace 
D)  none of the above 
A)  velocity 
B)  acceleration 
C)  pace 
D)  none of the above

Question 13

The laws of constant acceleration can be applied to which of the following?

Accepted Answer

A)  horizontal component of projectile motion 
B)  vertical component of projectile motion 
C)  resultant of projectile motion 
D)  both A and B 
E)  all of the above 
A)  horizontal component of projectile motion 
B)  vertical component of projectile motion 
C)  resultant of projectile motion 
D)  both A and B 
E)  all of the above

Question 14

A runner completes 1 full lap around a 400 meter track. What is her displacement?

Accepted Answer

A)  400 meters 
B)  400 meters X 2π 
C)  zero 
D)  need more information 
A)  400 meters 
B)  400 meters X 2π 
C)  zero 
D)  need more information

Question 15

Define velocity and acceleration, include the formulas for each and explain the relationship between the two by providing examples.

Accepted Answer

Velocity is a measure of the rate at whi

Question 16

Which of the following is/are scalar quantity(ies)?

Accepted Answer

A)  distance 
B)  speed 
C)  displacement 
D)  both A & B 
A)  distance 
B)  speed 
C)  displacement 
D)  both A & B

Question 17

If velocity is constant, then acceleration is what?

Accepted Answer

A)  zero 
B)  constant, but not necessarily zero 
C)  changing 
D)  need more information 
A)  zero 
B)  constant, but not necessarily zero 
C)  changing 
D)  need more information

Question 18

A ball is tossed vertically upward from a height of 2 m with an initial velocity of 10 m/s. Just before the ball hits the ground, its velocity will be what?

Accepted Answer

A)  10 m/s 
B)  less than 10 m/s 
C)  greater than 10 m/s 
D)  not possible to predict 
A)  10 m/s 
B)  less than 10 m/s 
C)  greater than 10 m/s 
D)  not possible to predict

Question 19

The vertical acceleration graph of a ball tossed into the air will follow a parabolic path.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following affects the time that a horizontally projected object remains in the air?

Accepted Answer

A)  weight 
B)  mass 
C)  projection height 
D)  all of the above 
A)  weight 
B)  mass 
C)  projection height 
D)  all of the above

What factor(s) distinguishes elite sprinters from non-elite performers?

In the absence of air resistance, the horizontal acceleration of a projectile is always equal to ___________________.

Although elite sprinters display improved kinematics over non-elite sprinters, elite 1500-m runners do not display distinguishable kinematic differences over other skilled runners.

Toddlers exhibit more kinematic variability than adults during walking.

A ball is kicked with an initial velocity of 10 m/s at an angle of 30°. Neglecting air resistance, what is the speed of the ball at landing?

The shape of a projectile's trajectory is influenced by which of the following?

A ball rolling across a field with an acceleration of -0.5 m/s² rolls 12.5 m and then comes to a stop after 8 seconds. What was the ball's initial speed?

Once a projectile is airborne, it is affected by which of the following?

The meter is the unit of measurement for which of the following?

Which of the following represents vertical acceleration of a projectile?

In a 5K road race, the finish line is also the starting line. What does 5K represent?

What quantity is calculated as the inverse of speed?

The laws of constant acceleration can be applied to which of the following?

A runner completes 1 full lap around a 400 meter track. What is her displacement?

Define velocity and acceleration, include the formulas for each and explain the relationship between the two by providing examples.

Which of the following is/are scalar quantity(ies)?

If velocity is constant, then acceleration is what?

A ball is tossed vertically upward from a height of 2 m with an initial velocity of 10 m/s. Just before the ball hits the ground, its velocity will be what?

The vertical acceleration graph of a ball tossed into the air will follow a parabolic path.

Which of the following affects the time that a horizontally projected object remains in the air?

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

Angular Kinematics of Human Movement

Linear Kinetics of Human Movement

Equilibrium and Human Movement

Angular Kinetics of Human Movement

Human Movement in a Fluid Medium

Filters

Exam 10: Linear Kinematics of Human Movement

What factor(s) distinguishes elite sprinters from non-elite performers?

In the absence of air resistance, the horizontal acceleration of a projectile is always equal to ___________________.

Although elite sprinters display improved kinematics over non-elite sprinters, elite 1500-m runners do not display distinguishable kinematic differences over other skilled runners.

Toddlers exhibit more kinematic variability than adults during walking.

A ball is kicked with an initial velocity of 10 m/s at an angle of 30°. Neglecting air resistance, what is the speed of the ball at landing?

The shape of a projectile's trajectory is influenced by which of the following?

A ball rolling across a field with an acceleration of -0.5 m/s2 rolls 12.5 m and then comes to a stop after 8 seconds. What was the ball's initial speed?

Once a projectile is airborne, it is affected by which of the following?

The meter is the unit of measurement for which of the following?

Which of the following represents vertical acceleration of a projectile?

In a 5K road race, the finish line is also the starting line. What does 5K represent?

What quantity is calculated as the inverse of speed?

The laws of constant acceleration can be applied to which of the following?

A runner completes 1 full lap around a 400 meter track. What is her displacement?

Define velocity and acceleration, include the formulas for each and explain the relationship between the two by providing examples.

Which of the following is/are scalar quantity(ies)?

If velocity is constant, then acceleration is what?

A ball is tossed vertically upward from a height of 2 m with an initial velocity of 10 m/s. Just before the ball hits the ground, its velocity will be what?

The vertical acceleration graph of a ball tossed into the air will follow a parabolic path.

Which of the following affects the time that a horizontally projected object remains in the air?

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

Angular Kinematics of Human Movement

Linear Kinetics of Human Movement

Equilibrium and Human Movement

Angular Kinetics of Human Movement

Human Movement in a Fluid Medium

Filters

A ball rolling across a field with an acceleration of -0.5 m/s² rolls 12.5 m and then comes to a stop after 8 seconds. What was the ball's initial speed?