suppose you writing desk is tilted a little. A book kept on it starts
down. Show the direction of frictional force acting on it.
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suppose you writing desk is tilted a little. A book kept on it starts
down. Show the direction of frictional force acting on it.
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Explanation:
what is your doubt tell me
Answer:
the direction of friction is opposite of direction of motion . the direction of motion is downwards therefore the direction of friction is upwards .