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Physics-

General

Easy

Question

A plate of mass $M$ is placed on a horizontal frictionless surface and a body of mass $m$ is placed on this plate, The coefficient of dynamic friction between this body and the plate is $mu$ . If a force $2 mu m g$ . is applied to the body of mass in along the horizonal direction the acceleration of the plate will be ……

$\frac{m}{M} g$
$\frac{m}{(M + m)^{g}}$
$\frac{2 μ m}{M} g$
$\frac{2 μ m}{(M + m)^{g}}$

The correct answer is: $fraction numerator m over denominator M end fraction g$

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