In shown arrangement mass of A = 1,,kg mass of B = 2,,kg. Coefficient of frictio

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4-2.Friction

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In the shown arrangement mass of $A = 1\,\,kg$ mass of $B = 2\,\,kg.$ Coefficient of friction between $A $ and $B = 0.2.$ There is no friction between $B$ and ground. The frictional force exerted by $A$ on $B$ equals to

A

$\frac {5}{3}\,\,N$

B

$\frac {7}{8}\,\,N$

C

$5\,\,N$

D

None

Solution

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Standard 11

Physics

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