Biomechanics in Physical Education: Master the Science of Movement

Question 1

Which force counteracts the movement of an object?

Accepted Answer

Friction

Answer

Gravity

Answer

Force

Answer

Inertia

Question 2

What is the point where a force is applied called?

Accepted Answer

Fulcrum

Answer

Lever

Answer

Load

Question 3

Which type of motion describes an object moving in a straight path?

Accepted Answer

Linear motion

Answer

Rotational motion

Answer

Oscillatory motion

Question 4

How is torque calculated?

Accepted Answer

Torque = Force × Distance from the fulcrum

Answer

Torque = Force / Distance from the fulcrum

Answer

Torque = Distance from the fulcrum / Force

Question 5

Which factor does NOT affect movement efficiency?

Accepted Answer

Genetics

Answer

Proper form

Answer

Flexibility

Question 6

What is the primary function of muscles in biomechanics?

Accepted Answer

Producing force and movement

Answer

Storing energy

Answer

Transmitting signals

Question 7

What force pulls objects towards the center of the Earth?

Accepted Answer

Gravity

Answer

Friction

Answer

Tension

Question 8

Which type of movement involves spinning a body part around a fixed axis?

Accepted Answer

Angular motion

Answer

Linear motion

Answer

Oscillatory motion

Question 9

Which type of lever has its fulcrum placed between the effort and the resistance?

Accepted Answer

Second-class lever

Answer

First-class lever

Answer

Third-class lever

Question 10

When an object moves at a constant velocity, what is the net force acting on it?

Accepted Answer

Zero

Answer

Positive

Answer

Negative

Question 11

Which of the following factors does NOT influence the efficiency of human movement?

Accepted Answer

Mental well-being

Answer

Flexibility

Answer

Body mass index

Question 12

What type of joint permits multi-directional movement, including rotation and spreading?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Pivot joint

Question 13

Force and acceleration are related in what way?

Accepted Answer

Force is directly proportional to acceleration

Answer

Force is inversely proportional to acceleration

Answer

Force is independent of acceleration

Question 14

How do speed and velocity differ?

Accepted Answer

Speed measures the distance traveled, while velocity measures the displacement

Answer

Velocity measures the distance traveled, while speed measures the displacement

Answer

Speed and velocity are synonymous

Question 15

The force that acts in the opposite direction of an object's movement is referred to as:

Accepted Answer

Resistance

Answer

Inertia

Answer

Friction

Question 16

When a gymnast performs a cartwheel, which plane of motion is primarily involved?

Accepted Answer

Frontal plane

Answer

Sagittal plane

Answer

Transverse plane

Question 17

Which law states that the net force acting on an object equals the product of its mass and acceleration?

Accepted Answer

Newton's Second Law of Motion

Answer

Newton's First Law of Motion

Answer

Newton's Third Law of Motion

Question 18

Which of the following is NOT a factor affecting the range of motion at a joint?

Accepted Answer

Body temperature

Answer

Muscle flexibility

Answer

Ligament strength

Answer

Bone shape

Question 19

When a muscle shortens during contraction, it is referred to as which type of contraction?

Accepted Answer

Concentric contraction

Answer

Eccentric contraction

Answer

Isometric contraction

Question 20

The field of study that analyzes the relationship between human movement and body mechanics is called:

Accepted Answer

Biomechanics

Answer

Kinesiology

Answer

Ergonomics

Question 21

Which force opposes the movement of an object?

Accepted Answer

Resistance

Answer

Effort

Answer

Load

Question 22

What is the mathematical relationship between force, mass, and acceleration?

Accepted Answer

F = ma

Answer

F = m/a

Answer

a = F/m

Question 23

Which type of joint enables the widest range of movement?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Pivot joint

Question 24

What is the primary function of the antagonistic muscle group?

Accepted Answer

To oppose the movement of the agonist muscle

Answer

To stabilize the joint

Answer

To assist in movement

Question 25

Which of the following is NOT an advantage of applying biomechanics principles to physical activities?

Accepted Answer

Increased motivation to participate

Answer

Improved performance

Answer

Enhanced injury prevention

Question 26

Which of the following is NOT a type of lever in the human body?

Accepted Answer

Fourth-class lever

Answer

First-class lever

Answer

Second-class lever

Answer

Third-class lever

Question 27

Which of the following is NOT a type of lever classified based on the location of the fulcrum relative to the effort and the load?

Accepted Answer

Neutral lever

Answer

First-class lever

Answer

Second-class lever

Answer

Third-class lever

Question 28

When your elbow is bent at a 90-degree angle and you lift a weight with your forearm, what type of lever is it?

Accepted Answer

Third-class lever

Answer

First-class lever

Answer

Second-class lever

Question 29

How does inertia affect human movement?

Accepted Answer

Inertia opposes changes in movement.

Answer

Inertia makes objects start moving instantly.

Answer

Inertia makes objects stop moving instantly.

Answer

Inertia does not affect human movement.

Question 30

Which joint type enables bending and straightening?

Accepted Answer

Hinge joint

Answer

Ball-and-socket joint

Answer

Pivot joint

Answer

Saddle joint

Question 31

Describe the distinction between eccentric and concentric muscle actions.

Accepted Answer

During eccentric contractions, a muscle lengthens; during concentric contractions, it shortens.

Answer

During eccentric contractions, a muscle shortens; during concentric contractions, it lengthens.

Answer

Both eccentric and concentric contractions lengthen the muscle.

Answer

Both eccentric and concentric contractions shorten the muscle.

Question 32

Which element does not influence movement efficiency?

Accepted Answer

Age

Answer

Range of motion

Answer

Coordination

Answer

Body composition

Question 33

Explain the concept of momentum's application to a runner.

Accepted Answer

Momentum aids in maintaining the runner's velocity.

Answer

Momentum causes the runner to slow down.

Answer

Momentum boosts the runner's acceleration.

Answer

Momentum has no effect on a runner.

Question 34

Which force primarily opposes movement in the context of biomechanics?

Accepted Answer

Friction

Answer

Gravity

Answer

Inertia

Answer

Force of gravity

Question 35

What is the primary role of friction in biomechanics?

Accepted Answer

To hinder movement

Answer

To facilitate movement

Answer

To improve muscle activation

Answer

To enhance joint stability

Question 36

Which type of motion occurs when an object follows a circular path?

Accepted Answer

Angular motion

Answer

Linear motion

Answer

Planar motion

Answer

Curvilinear motion

Question 37

Which force acts in opposition to movement?

Accepted Answer

Resistance

Answer

Effort

Answer

Load

Question 38

Where is the center of mass located?

Accepted Answer

The point where the body's weight is evenly distributed

Answer

The point where all forces acting on the body are applied

Answer

The point where movement is most efficient

Question 39

Which type of muscle contraction occurs when the muscle shortens and generates force?

Accepted Answer

Concentric contraction

Answer

Eccentric contraction

Answer

Isometric contraction

Question 40

What is the formula for calculating velocity?

Accepted Answer

Distance traveled divided by time taken

Answer

Distance traveled only

Answer

Time taken only

Question 41

Which principle explains that the angle at which force is applied affects the amount of torque produced?

Accepted Answer

Moment arm principle

Answer

Lever principle

Answer

Newton's third law

Question 42

What is the field of study that examines the mechanical properties of biological tissues?

Accepted Answer

Biomechanics

Answer

Kinesiology

Answer

Anatomy

Question 43

Which of the following factors does NOT influence movement efficiency?

Accepted Answer

Gender

Answer

Proper technique

Answer

Body composition

Question 44

Which term describes the ability of a muscle to generate force quickly?

Accepted Answer

Power

Answer

Strength

Answer

Endurance

Question 45

What is the name of a muscle that produces movement by shortening?

Accepted Answer

Agonist

Answer

Antagonist

Answer

Synergist

Question 46

What is the force of gravity acting on the body called?

Accepted Answer

Ground reaction force

Answer

Shear force

Answer

Tension force

Question 47

What is the name of the force that opposes motion between two surfaces?

Accepted Answer

Friction

Answer

Viscosity

Answer

Surface tension

Question 48

The formula for calculating the moment of force is:

Accepted Answer

Moment of Force = Force × Distance

Answer

Moment of Force = Force × Velocity

Answer

Moment of Force = Distance × Velocity

Answer

Moment of Force = Acceleration × Distance

Question 49

Which of the following is NOT an example of a centripetal force?

Accepted Answer

Push of a hand

Answer

Force of gravity

Answer

Tension in a string

Answer

Friction

Question 50

Which factor does NOT affect the trajectory of a projectile?

Accepted Answer

Shape of the projectile

Answer

Initial velocity

Answer

Angle of release

Answer

Mass of the projectile

Question 51

The following equation represents the relationship between power, force, and velocity:

Accepted Answer

Power = Force × Velocity

Answer

Power = Force / Velocity

Answer

Velocity = Force × Power

Answer

Force = Velocity / Power

Question 52

Which muscle is responsible for bending the elbow?

Accepted Answer

Biceps brachii

Answer

Triceps brachii

Answer

Brachioradialis

Answer

Anconeus

Question 53

The primary function of the skeletal system is to:

Accepted Answer

Support and protect the body

Answer

Produce red blood cells

Answer

Store and release energy

Answer

Control body temperature