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Static Friction

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Q. When a pencil cell is released from a certain point on an inclined wooden board, it travels a distance of 35 cm on foor A before it comes to rest. When the same pencil cell is released from the same point o the same inclined board, it travels a distance of 20 cm on floor B before coming to rest. Which floor, A or B, offers greater friction ? Given reason for your answer.

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Solution

Dear Student,
$F l o o r B o f f e r s m o r e f r i c t i o n a s i t o f f e r s m o r e r e s t r i c t i o n s o t h a t p e n c i l c o v e r l e s s d i s \tan c e o n t h i s f l o o r a n d w e k n o w m o r e r i s t r i c t i o n m o r e f r i c t i o n .$
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