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Question
When a book kept on a desk is pushed towards the left, the force of friction will act
When a book kept on a desk is pushed towards the left, the force of friction will act
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Solution
The correct option is B towards right
<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->
The force of friction always opposes relative motion. Thus, the direction of frictional force is opposite to the direction of relative motion. When the book is pushed to the left, it tends to move to the left. Hence, the direction of friction in this case is towards the right.
<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> The force of friction always opposes relative motion. Thus, the direction of frictional force is opposite to the direction of relative motion. When the book is pushed to the left, it tends to move to the left. Hence, the direction of friction in this case is towards the right.
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