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.
The frictional force is acting opposite to the movement of the book i.e. upwards.
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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.
The frictional force is acting opposite to the movement of the book i.e. upwards.