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Flashcards in K2 Deck (48)
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1

The fundamental values of biomechanics are derived from

Basic laws of force and motion

2

Major forces to consider within sport include:

All the above:
Gravity
Air resistance
Contact between opponents

3

As a performance coach, telling an athlete their performance was "smooth" or "getting better" would be considered a

Qualitative evaluation

4

By improving one's technique, the athlete may reduce

A and B correct

A. Injury to himself/herself
B. Injury to others

5

Rotational force is

Torque

6

The description of motion using distance and velocity is

Kinematics

7

Measurement is important within biomechanics to

All of the above:

Describe how elite performance was achieved
Identify why a sports-related injury occurred
Describe the current performance level
Predict athletic potential

8

Human movement is a battle between forces and resistance where force is applied at one end of a bone and resistance is applied at the other end

True

9

To produce large amounts of torque, a large force arm is needed

True

10

Knowledge of the mechanical principles have allowed the performance in sport to improve

True

11

Giving advice such as, "Throw harder" is beneficial to the athlete

False

12

Knowledge of biomechanics is a way to help a coach teach an athlete new skills

True

13

In order to teach a skill, it is mandatory for the instructor to correct perform the skill

False

14

Modern-day technology is a tool that can be utilized to provide an athlete important feedback

True

15

General motion is a combination of linear and angular motion

True

16

The majority of motion that occurs within sports can be classified as static

False

17

"Apps" and other tools are available that can measure the amount of force produced during specific exercise

True

18

Linear motion occurs when all points on an object travel in a straight line

True

19

Which of the following describes the quantity of motion that occurs

Momentum

20

A force is

All the above:

Defined as push or pull
Exerted on objects by other objects
Causes an object to start, stop, speed up, or slow down

21

Forces that occur between two objects touching each other are considered

A and C are correct

A. Contact forces
C. External forces

22

The equation for calculating acceleration is

velocity / time

23

An object at rest remains at rest, or in uniform motion in a straight line, unless it is compelled to change by an externally imposed force describes

First law of motion

24

Which of the following is the most common way to improve performance?

Improve technique

25

Teachers and coaches most often use which type of analysis?

Qualitative

26

Weight is a vector that is traveling

Straight down to the center of the earth

27

Which factors influence the flight of a projectile

All of the above:

Angle release
Speed release
Height release

28

Which of the following is the most helpful for athletes to improve their performance

Video feedback

29

Technology that can be used to measure linear kinetics includes

Timing gates

30

Physics is the most fundamental of the sciences

True