Biomechanics Basics: Master the Fundamentals of Human Movement

Question 1

Identify the force that resists the motion of two surfaces in contact:

Accepted Answer

Friction

Answer

Tension

Answer

Buoyancy

Answer

Gravity

Question 2

Identify the term for the ability of a muscle to shorten while generating force:

Accepted Answer

Contractility

Answer

Extensibility

Answer

Elasticity

Answer

Strength

Question 3

State the principle of conservation of energy:

Accepted Answer

Energy can neither be created nor destroyed, only transformed.

Answer

Energy is always lost during any transformation.

Answer

Energy is always gained during any transformation.

Answer

Energy can be both created and destroyed.

Question 4

Which biomechanical analysis technique utilises high-speed cameras to capture movements?

Accepted Answer

Motion capture

Answer

Electromyography

Answer

Ground reaction force analysis

Answer

Electrocardiography

Question 5

Identify the point around which a body rotates during angular motion:

Accepted Answer

Axis of rotation

Answer

Centre of mass

Answer

Pivot point

Answer

Fulcrum

Question 6

Which specialised area of biomechanics focuses on injury prevention and rehabilitation?

Accepted Answer

Clinical biomechanics

Answer

Sports biomechanics

Answer

Occupational biomechanics

Answer

Forensic biomechanics

Question 7

A force that impedes motion is termed:

Accepted Answer

Friction

Answer

Inertia

Answer

Gravity

Answer

Tension

Question 8

Which of the following is considered a scalar quantity?

Accepted Answer

Mass

Answer

Velocity

Answer

Acceleration

Answer

Force

Question 9

The energy inherent in an object due to its motion is referred to as:

Accepted Answer

Kinetic energy

Answer

Potential energy

Answer

Elastic energy

Answer

Chemical energy

Question 10

The SI unit of force is:

Accepted Answer

Newton

Answer

Joule

Answer

Watt

Answer

Pascal

Question 11

A force that acts over a distance is known as:

Accepted Answer

Work

Answer

Power

Answer

Momentum

Answer

Impulse

Question 12

The principle stating that the total energy of a closed system remains constant is known as:

Accepted Answer

Law of conservation of energy

Answer

Law of motion

Answer

Law of gravity

Answer

Law of thermodynamics

Question 13

The rate of change of velocity is known as:

Accepted Answer

Acceleration

Answer

Speed

Answer

Displacement

Answer

Momentum

Question 14

Which type of force acts in the direction opposite to the object's motion?

Accepted Answer

Frictional force

Answer

Applied force

Answer

Elastic force

Answer

Gravitational force

Question 15

The energy possessed by an object due to its motion is called:

Accepted Answer

Kinetic energy

Answer

Potential energy

Answer

Elastic energy

Answer

Internal energy

Question 16

Which of the following factors does NOT affect the amount of energy required to perform a movement?

Accepted Answer

Temperature

Answer

Body weight

Answer

Speed of movement

Answer

Range of motion

Question 17

Which of the following is a lever class where the fulcrum is located between the effort and the load?

Accepted Answer

Class II

Answer

Class I

Answer

Class III

Answer

Class IV

Question 18

The principle that states that every action has an equal and opposite reaction is known as:

Accepted Answer

Newton's Third Law

Answer

Newton's First Law

Answer

Newton's Second Law

Answer

Conservation of Momentum

Question 19

What is the SI unit for measuring force?

Accepted Answer

Newton (N)

Answer

Meter per second (m/s)

Answer

Kilogram (kg)

Answer

Joule (J)

Question 20

In linear motion, acceleration is directly linked to which factor?

Accepted Answer

Force applied

Answer

Velocity of the object

Answer

Mass of the object

Answer

Time of motion

Question 21

According to the principle of conservation of energy, what remains constant within a closed system?

Accepted Answer

Total energy

Answer

Mechanical energy can be transformed into heat.

Answer

Energy is created or destroyed in chemical reactions.

Answer

Work done on a system is converted into kinetic energy.

Question 22

In which type of lever is the load positioned between the fulcrum and the effort?

Accepted Answer

Class II lever

Answer

Compound lever

Answer

Class I lever

Answer

Class III lever

Question 23

Identify the point where the weight of a body acts.

Accepted Answer

Center of mass

Answer

Point of stability

Answer

Point of maximum inertia

Answer

Point of greatest efficiency

Question 24

What is a primary advantage of using motion capture technology in biomechanics?

Accepted Answer

Accurate quantification of movement patterns

Answer

Direct improvement of athletic performance

Answer

Elimination of the need for human observation

Answer

Diagnosis of injuries without medical imaging

Question 25

What field of study focuses on the relationship between muscle function and movement?

Accepted Answer

Kinesiology

Answer

Anatomy

Answer

Physiology

Answer

Biochemistry