4-2.Friction
medium

બરફ પર પડેલ $2\, kg$ ના બ્લોકને $6 \,m/s $ નો વેગ આપતાં $10\, s $ માં સ્થિર થાય,તો ઘર્ષણાંક કેટલો હશે?

A

$0.01$

B

$0.02$

C

$0.03$

D

$0.06$

(AIEEE-2003)

Solution

(d) $v = u – at \Rightarrow u – \mu gt = 0$

$\therefore \mu = \frac{u}{{gt}} = \frac{6}{{10 \times 10}} = 0.06$

Standard 11
Physics

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