Give examples to show that friction is b | Class 8 Science Chapter Friction, Friction NCERT Solutions

Question:

Give examples to show that friction is both a friend and a foe.

Answer:

Advantages of friction are as follows:

  1. We are able to walk.
  2. We can write.
  3. Friction is used to stop the vehicle.
  4. It produces heat.
  5. Helps in different types of motion.

Disadvantages of friction are as follows:

  1. Forest fires occurs due to friction between branches of trees.
  2. It is an opposing force, so energy is needed to overcome it.
  3. Tyres and soles of shoes tears out.
  4. Damage machines.
  5. It produces a lot of heat.


Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Friction.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

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Welcome to the NCERT Solutions for Class 8 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 9: Give examples to show that friction is both a friend and a foe.....