Suppose your writing desk is tilted a little. A book kept on it starts sliding down. Show the direction of frictional force acting on it.

 

Answer

Book on tilted table.png

The direction of friction force will always be opposite to the direction of motion.

Here, book will slide down in the downward direction due to gravity,

and frictional force will be in the opposite direction - i.e. upward

  1. Class 8
  2. Chapter 12 Class 8 - Friction

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.