Physics

Problem

Two masses

m_1 = 5 \text{ kg}

and

m_2 = 10 \text{ kg}

, connected by an inextensible string over a frictionless pulley, are moving as shown in the figure. The coefficient of friction of horizontal surface is

0.15

. The minimum weight

m

that should be put on top of

m_2

to stop the motion is: ![Diagram showing a pulley system. Mass m1 is hanging vertically, connected by a string over a pulley to mass m2, which rests on a horizontal surface. A block of mass m is placed on top of m2. The tension T acts horizontally on m2, pulling it to the right. The weight m1g acts vertically downwards on m1. The tension T acts vertically upwards on m1.](https://storage.googleapis.com/diraq-contents/homework-question-parsing/marker/20260106T182719Z/b4141f912ac949449b92c87c0ab0d29c/64662465bba247703fdec49c8f3309f9_img.jpg) (a)

18.3 \text{ kg}

(b)

23.3 \text{ kg}

(c)

43.3 \text{ kg}

(d)

10.3 \text{ kg}

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