Mechanical Engineering Exam > Mechanical Engineering Questions > Which of the following statements regarding l...
Start Learning for Free
Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.
2. The friction force is directly proportional to the normal force.
3. The friction force is dependent on the materials of the contact surfaces.
4. The frictional force is independent of the area of contact
- a)2, 3 and 4
- b)1 and 3
- c)2 and 4
- d)1, 2, 3 and 4
Correct answer is option 'A'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Most Upvoted Answer
Which of the following statements regarding laws governing the frictio...
Friction Between Dry Surfaces
Friction between dry surfaces is governed by certain laws and characteristics that determine the interaction between the surfaces in contact. Let's break down the statements provided and analyze their correctness:
Statement 1: The friction force is dependent on the velocity of sliding.
- This statement is incorrect as the friction force between dry surfaces is typically independent of the velocity of sliding. This is known as Coulomb's Law of Friction, which states that the frictional force is constant regardless of the speed at which the surfaces are sliding past each other.
Statement 2: The friction force is directly proportional to the normal force.
- This statement is correct. The frictional force between dry surfaces is directly proportional to the normal force pressing the surfaces together. As the normal force increases, the frictional force also increases, and vice versa.
Statement 3: The friction force is dependent on the materials of the contact surfaces.
- This statement is correct. The frictional force between dry surfaces is influenced by the nature of the materials in contact. Different materials have varying coefficients of friction, which determine the magnitude of the frictional force.
Statement 4: The frictional force is independent of the area of contact.
- This statement is correct. The frictional force between dry surfaces is not dependent on the area of contact between the surfaces. As long as the normal force remains constant, the frictional force will also remain constant, regardless of the contact area.
Therefore, the correct statements regarding laws governing the friction between dry surfaces are 2, 3, and 4. These characteristics play a crucial role in understanding and predicting the behavior of friction in mechanical systems.
Friction between dry surfaces is governed by certain laws and characteristics that determine the interaction between the surfaces in contact. Let's break down the statements provided and analyze their correctness:
Statement 1: The friction force is dependent on the velocity of sliding.
- This statement is incorrect as the friction force between dry surfaces is typically independent of the velocity of sliding. This is known as Coulomb's Law of Friction, which states that the frictional force is constant regardless of the speed at which the surfaces are sliding past each other.
Statement 2: The friction force is directly proportional to the normal force.
- This statement is correct. The frictional force between dry surfaces is directly proportional to the normal force pressing the surfaces together. As the normal force increases, the frictional force also increases, and vice versa.
Statement 3: The friction force is dependent on the materials of the contact surfaces.
- This statement is correct. The frictional force between dry surfaces is influenced by the nature of the materials in contact. Different materials have varying coefficients of friction, which determine the magnitude of the frictional force.
Statement 4: The frictional force is independent of the area of contact.
- This statement is correct. The frictional force between dry surfaces is not dependent on the area of contact between the surfaces. As long as the normal force remains constant, the frictional force will also remain constant, regardless of the contact area.
Therefore, the correct statements regarding laws governing the friction between dry surfaces are 2, 3, and 4. These characteristics play a crucial role in understanding and predicting the behavior of friction in mechanical systems.
Attention Mechanical Engineering Students!
To make sure you are not studying endlessly, EduRev has designed Mechanical Engineering study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Mechanical Engineering.
|
Explore Courses for Mechanical Engineering exam
|
|
Top Courses for Mechanical EngineeringView all
Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.2. The friction force is directly proportional to the normal force.3. The friction force is dependent on the materials of the contact surfaces.4. The frictional force is independent of the area of contacta)2, 3 and 4b)1 and 3 c)2 and 4 d)1, 2, 3 and 4Correct answer is option 'A'. Can you explain this answer?
Question Description
Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.2. The friction force is directly proportional to the normal force.3. The friction force is dependent on the materials of the contact surfaces.4. The frictional force is independent of the area of contacta)2, 3 and 4b)1 and 3 c)2 and 4 d)1, 2, 3 and 4Correct answer is option 'A'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.2. The friction force is directly proportional to the normal force.3. The friction force is dependent on the materials of the contact surfaces.4. The frictional force is independent of the area of contacta)2, 3 and 4b)1 and 3 c)2 and 4 d)1, 2, 3 and 4Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.2. The friction force is directly proportional to the normal force.3. The friction force is dependent on the materials of the contact surfaces.4. The frictional force is independent of the area of contacta)2, 3 and 4b)1 and 3 c)2 and 4 d)1, 2, 3 and 4Correct answer is option 'A'. Can you explain this answer?.
Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.2. The friction force is directly proportional to the normal force.3. The friction force is dependent on the materials of the contact surfaces.4. The frictional force is independent of the area of contacta)2, 3 and 4b)1 and 3 c)2 and 4 d)1, 2, 3 and 4Correct answer is option 'A'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.2. The friction force is directly proportional to the normal force.3. The friction force is dependent on the materials of the contact surfaces.4. The frictional force is independent of the area of contacta)2, 3 and 4b)1 and 3 c)2 and 4 d)1, 2, 3 and 4Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.2. The friction force is directly proportional to the normal force.3. The friction force is dependent on the materials of the contact surfaces.4. The frictional force is independent of the area of contacta)2, 3 and 4b)1 and 3 c)2 and 4 d)1, 2, 3 and 4Correct answer is option 'A'. Can you explain this answer?.
Solutions for Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.2. The friction force is directly proportional to the normal force.3. The friction force is dependent on the materials of the contact surfaces.4. The frictional force is independent of the area of contacta)2, 3 and 4b)1 and 3 c)2 and 4 d)1, 2, 3 and 4Correct answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Mechanical Engineering.
Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free.
Here you can find the meaning of Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.2. The friction force is directly proportional to the normal force.3. The friction force is dependent on the materials of the contact surfaces.4. The frictional force is independent of the area of contacta)2, 3 and 4b)1 and 3 c)2 and 4 d)1, 2, 3 and 4Correct answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.2. The friction force is directly proportional to the normal force.3. The friction force is dependent on the materials of the contact surfaces.4. The frictional force is independent of the area of contacta)2, 3 and 4b)1 and 3 c)2 and 4 d)1, 2, 3 and 4Correct answer is option 'A'. Can you explain this answer?, a detailed solution for Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.2. The friction force is directly proportional to the normal force.3. The friction force is dependent on the materials of the contact surfaces.4. The frictional force is independent of the area of contacta)2, 3 and 4b)1 and 3 c)2 and 4 d)1, 2, 3 and 4Correct answer is option 'A'. Can you explain this answer? has been provided alongside types of Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.2. The friction force is directly proportional to the normal force.3. The friction force is dependent on the materials of the contact surfaces.4. The frictional force is independent of the area of contacta)2, 3 and 4b)1 and 3 c)2 and 4 d)1, 2, 3 and 4Correct answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.2. The friction force is directly proportional to the normal force.3. The friction force is dependent on the materials of the contact surfaces.4. The frictional force is independent of the area of contacta)2, 3 and 4b)1 and 3 c)2 and 4 d)1, 2, 3 and 4Correct answer is option 'A'. Can you explain this answer? tests, examples and also practice Mechanical Engineering tests.
|
|
Explore Courses for Mechanical Engineering exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup