A force of 98, N is required to just start moving a body of mass 100, kg over ice. coefficient of st

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4-2.Friction

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A force of $98\, N$ is required to just start moving a body of mass $100\, kg$ over ice. The coefficient of static friction is

A$0.6$

B$0.4$

C$0.2$

D$0.1$

Solution

(d)$\mu = \frac{F}{R} = \frac{F}{{mg}} = \frac{{98}}{{100 \times 9.8}} = \frac{1}{{10}} = 0.1$

Standard 11

Physics

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