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`        A man hold a book weighing 1kgwt between his hand and keeps it from falling by pressing both hand against the book with a force of 2.5kgwt each.Find coefficient of friction between book and hand.plz solve it by attaching a pic of FBD of this question.`
10 months ago

Atul Nagar
34 Points
```							The weight of book is acting downward while a horizontal force of 2.5 kgwt is holding the book. Book is also applying normal reaction N of 2.5 kgwt on hand.therefore  mg = frictional force, fmg = n N ;   n = coeffeicient of frictionn = 1/(2.5) = 0.4
```
10 months ago
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