Find the Center of Mass of the System Comprising Masses $m _ { k }$

question 66

Short Answer

Find the center of mass of the system comprising masses $m _ { k }$ located at the points $P _ { k }$ in a coordinate plane. Assume that mass is measured in grams and distance is measured in centimeters.
$$\begin{array} { l } m _ { 1 } = 4 , \quad m _ { 2 } = 3 , \quad m _ { 3 } = 1 \\P _ { 1 } ( 3 , - 3 ) , \quad P _ { 2 } ( 5 , - 1 ) , \quad P _ { 3 } ( 2 , - 5 )\end{array}$$

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