# Friction History Trivia Facts! Quiz

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Friction is important because thanks to it the first humans were able to figure out how to make fire. It is also important to study it for disciplines like construction and even sciences that depend on o studying how liquid bodies can be used to measure things like temperature, for instance. So, what do you know about the history of friction? Take our quiz and find out now.

• 1.

### Who were the first ones to study friction?

• A.

The Egyptians

• B.

The Germans

• C.

The Greeks

• D.

The Romans

C. The Greeks
Explanation
The Greeks were the first ones to study friction. They made significant contributions to the understanding of friction and its effects. Greek philosophers such as Aristotle and Archimedes conducted experiments and observations to study the nature of friction. They discovered that friction is a force that opposes motion and can be influenced by various factors such as the nature of the surfaces in contact and the applied force. The Greeks also developed theories and mathematical models to explain friction, laying the foundation for further advancements in this field.

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• 2.

### Who discovered the classic laws of sliding friction?

• A.

Leonardo Da Vinci

• B.

Magelan

• C.

Isaac Newton

• D.

Nicola Tesla

A. Leonardo Da Vinci
Explanation
Leonardo Da Vinci is credited with discovering the classic laws of sliding friction. He extensively studied the phenomenon of friction and conducted various experiments to understand its principles. Da Vinci's observations and experiments laid the foundation for understanding the laws of friction, which later influenced the work of scientists like Isaac Newton. Although Da Vinci is best known for his artistic achievements, his contributions to the field of science, including the laws of sliding friction, are significant.

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• 3.

### When were the classic laws of sliding discovered?

• A.

In 1493

• B.

In 1495

• C.

In 1496

• D.

In 1499

A. In 1493
Explanation
In 1493, the classic laws of sliding were discovered.

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• 4.

### Who developed the understanding of friction in 1785?

• A.

Thomas Edison

• B.

Pascale

• C.

Galileo

• D.

Charles -Augustin de Coulomb

D. Charles -Augustin de Coulomb
Explanation
Charles-Augustin de Coulomb developed the understanding of friction in 1785. He was a French physicist and engineer who made significant contributions to the field of electromagnetism, including the development of Coulomb's law. Coulomb's experiments and observations helped him to understand the nature and behavior of friction between surfaces, which laid the foundation for our understanding of this phenomenon today.

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• 5.

### How many factors on friction did Coulomb investigate on?

• A.

4

• B.

5

• C.

6

• D.

3

A. 4
Explanation
Coulomb investigated four factors on friction.

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• 6.

### What was the focus of research of friction during the 20th Century?

• A.

To understand the mechanisms behind friction

• B.

To understand the physical mechanisms behind friction

• C.

To understand the material mechanisms behind friction

• D.

To understand the invisible mechanisms behind friction

B. To understand the physical mechanisms behind friction
Explanation
The focus of research on friction during the 20th century was to understand the physical mechanisms behind it. This implies that scientists and researchers were primarily interested in studying the physical processes and forces involved in friction, rather than focusing on the material or invisible aspects. They aimed to gain a deeper understanding of how friction works at a fundamental level, which could have potential applications in various fields such as engineering and materials science.

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• 7.

• A.

In 1977

• B.

In 1979

• C.

In 1986

• D.

In 1982

C. In 1986
• 8.

### What is known as mechanical energy?

• A.

It's the sum of potential energy and kinetic energy

• B.

It's electrical energy

• C.

It's water generated energy

• D.

It's solar energy

A. It's the sum of potential energy and kinetic energy
Explanation
Mechanical energy refers to the total energy possessed by an object due to its motion or position. It is the sum of potential energy, which is the energy stored in an object based on its position or configuration, and kinetic energy, which is the energy possessed by an object due to its motion. Therefore, mechanical energy is the combination of both potential and kinetic energy.

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• 9.

### What's the nature of friction?

• A.

It's a powerful force

• B.

It's a non conservative force

• C.

It's something you can observe

• D.

It's a non static force

B. It's a non conservative force
Explanation
Friction is considered a non-conservative force because it dissipates energy in the form of heat. Unlike conservative forces, such as gravity or electromagnetic forces, which do not result in any energy loss, friction converts mechanical energy into heat energy. This means that the total mechanical energy of a system undergoing friction decreases over time.

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• 10.

### How many types of friction are there?

• A.

3

• B.

4

• C.

5

• D.

6

C. 5
Explanation
There are five types of friction: static friction, sliding friction, rolling friction, fluid friction, and internal friction. Static friction occurs when an object is at rest and prevents it from moving. Sliding friction occurs when two surfaces slide against each other. Rolling friction occurs when a round object rolls on a surface. Fluid friction occurs when an object moves through a fluid, such as air or water. Internal friction occurs within a substance, such as the friction between molecules in a solid.

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