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.
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Answer:the frictional force will act opposite to the direction of the falling book
Explanation:
↗↗↗↗↗↙↙↙↙↙↙↙the first one is frictional force
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0
Answer:
Frictional force is the answer..
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