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

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

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CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo