JEE Main 2024 Question Paper Solution Discussion Live JEE Main 2024 Question Paper Solution Discussion Live

FAQs on Friction

National Testing Agency (NTA) conducts the JEE (Joint Entrance Examination Main) every year. It is a platform through which students can acquire admission into some of the top technical or engineering institutions across the country. However, candidates must work tirelessly with intensive hard work and focus to obtain success in this examination. It is one of the toughest entrance exams to crack in India.

As such, Physics can be one of the easiest subjects to score good marks in the famed JEE. The questions asked in physics are meant to test your knowledge of the subject and might strain you more as compared to the questions asked in chemistry or mathematics. A few important chapters and some concepts are highly significant as there is a pattern in which these questions repeat every year. Going through these questions will give you a fair idea about your preparation status and help you to utilize the remaining time before the examination. At this moment you should focus on selective study and go through the important topics.

Important Topics in Friction

Friction does fall under the important topics, which help you in scoring for JEE. Following are the concepts that should be studied carefully:

  • Concepts of friction – What it is? How it affects us?
  • Causes of friction
  • Types of friction – static friction, kinetic friction, rolling friction, fluid friction
  • Cause and direction of rolling friction
  • Coefficient of friction, angle of repose, angle of friction
  1. How to Approach a question in Friction
  2. What is the difference between static friction and kinetic friction?

Static friction is the force of friction acting between two surfaces so long as there is no relative motion between them and it is always equal to the applied force while kinetic friction is the force of friction that comes into play between two surfaces when there is some relative motion between them.

Books for reference for Friction

Refer NCERT for class 12 this book contains all the details in a very precise manner. A quick view of this can help you to understand the fundamental concepts and their applications. The important points are neatly mentioned in the book and hence it is the most student-friendly book. Some other important reference books include books by H.C.Verma and I.E.Irodov.

Static Friction Videos

Static Friction

Pulley Problems

Concept-based on Rotation of Pulley

Newton’s Laws of Motion and Friction – Important Topics

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