Biomechanics in Physical Education: Master the Science of Movement

Question 1

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

Accepted Answer

Linear motion

Answer

Rotational motion

Answer

Oscillatory motion

Question 2

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 3

What is the primary function of muscles in biomechanics?

Accepted Answer

Producing force and movement

Answer

Storing energy

Answer

Transmitting signals

Question 4

What force pulls objects towards the center of the Earth?

Accepted Answer

Gravity

Answer

Friction

Answer

Tension

Question 5

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

Accepted Answer

Angular motion

Answer

Linear motion

Answer

Oscillatory motion

Question 6

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

Accepted Answer

Zero

Answer

Positive

Answer

Negative

Question 7

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 8

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 9

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 10

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

Accepted Answer

Frontal plane

Answer

Sagittal plane

Answer

Transverse plane

Question 11

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 12

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 13

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 14

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

Accepted Answer

Biomechanics

Answer

Kinesiology

Answer

Ergonomics

Question 15

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

Accepted Answer

F = ma

Answer

F = m/a

Answer

a = F/m

Question 16

Which type of joint enables the widest range of movement?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Pivot joint

Question 17

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 18

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 19

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 20

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 21

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 22

Which joint type enables bending and straightening?

Accepted Answer

Hinge joint

Answer

Ball-and-socket joint

Answer

Pivot joint

Answer

Saddle joint

Question 23

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 24

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 25

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 26

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 27

Which force acts in opposition to movement?

Accepted Answer

Resistance

Answer

Effort

Answer

Load

Question 28

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 29

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

Accepted Answer

Concentric contraction

Answer

Eccentric contraction

Answer

Isometric contraction

Question 30

What is the formula for calculating velocity?

Accepted Answer

Distance traveled divided by time taken

Answer

Distance traveled only

Answer

Time taken only

Question 31

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 32

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

Accepted Answer

Biomechanics

Answer

Kinesiology

Answer

Anatomy

Question 33

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

Accepted Answer

Power

Answer

Strength

Answer

Endurance

Question 34

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

Accepted Answer

Agonist

Answer

Antagonist

Answer

Synergist

Question 35

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

Accepted Answer

Friction

Answer

Viscosity

Answer

Surface tension

Question 36

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 37

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 38

Which muscle is responsible for bending the elbow?

Accepted Answer

Biceps brachii

Answer

Triceps brachii

Answer

Brachioradialis

Answer

Anconeus

Question 39

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