Class 8 Exam  >  Class 8 Questions  >  Which of the following is correct regarding f... Start Learning for Free
Which of the following is correct regarding friction?
  • a)
    wastes energy
  • b)
    wears out the rubbing surface
  • c)
    generates heat
  • d)
    all of these
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Which of the following is correct regarding friction?a)wastes energyb)...
Friction is the force that opposes motion when two surfaces come in contact with each other. The correct option regarding friction is 'D', all of the above. Friction has several effects, some of which are:

Wastes Energy:
Friction causes a loss of energy in the form of heat. When two surfaces rub against each other, the energy of motion is converted into heat energy. This heat energy is dissipated into the environment and cannot be used for any useful work.

Wears Out the Rubbing Surface:
Friction causes wear and tear of the rubbing surfaces. When two surfaces rub against each other, they experience a certain amount of wear and tear due to the constant friction. Over a period of time, this wear and tear can cause damage to the rubbing surfaces and reduce their effectiveness.

Generates Heat:
Friction generates heat due to the conversion of mechanical energy into heat energy. The amount of heat generated depends on the nature of the surfaces in contact and the force with which they are rubbing against each other. This heat can be useful in some applications, but in most cases, it is wasted energy.

In conclusion, friction has several effects, including wasting energy, wearing out the rubbing surfaces, and generating heat. These effects can be both useful and harmful, depending on the situation. However, it is important to understand the nature of friction and its effects in order to minimize its negative impacts and maximize its positive ones.
Explore Courses for Class 8 exam

Top Courses for Class 8

Question Description
Which of the following is correct regarding friction?a)wastes energyb)wears out the rubbing surfacec)generates heatd)all of theseCorrect answer is option 'D'. Can you explain this answer? for Class 8 2025 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Which of the following is correct regarding friction?a)wastes energyb)wears out the rubbing surfacec)generates heatd)all of theseCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 8 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is correct regarding friction?a)wastes energyb)wears out the rubbing surfacec)generates heatd)all of theseCorrect answer is option 'D'. Can you explain this answer?.
Solutions for Which of the following is correct regarding friction?a)wastes energyb)wears out the rubbing surfacec)generates heatd)all of theseCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 8. Download more important topics, notes, lectures and mock test series for Class 8 Exam by signing up for free.
Here you can find the meaning of Which of the following is correct regarding friction?a)wastes energyb)wears out the rubbing surfacec)generates heatd)all of theseCorrect answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Which of the following is correct regarding friction?a)wastes energyb)wears out the rubbing surfacec)generates heatd)all of theseCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for Which of the following is correct regarding friction?a)wastes energyb)wears out the rubbing surfacec)generates heatd)all of theseCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of Which of the following is correct regarding friction?a)wastes energyb)wears out the rubbing surfacec)generates heatd)all of theseCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Which of the following is correct regarding friction?a)wastes energyb)wears out the rubbing surfacec)generates heatd)all of theseCorrect answer is option 'D'. Can you explain this answer? tests, examples and also practice Class 8 tests.
Explore Courses for Class 8 exam

Top Courses for Class 8

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev