Three particles of masses 4kg, 2kg and 2kg situated at 4, 1, (-2, 2) and (1, -3) are acted upon by external forces 3N j^, -8Ni^ and 4Ni^. The acceleration of center of mass of the system is

a→CM = F→1 + F→2 + F→3M=-4i^+3j^8⇒aCM=58ms-2

Three particles of masses 4kg, 2kg and 2kg situated at 4, 1, (-2, 2) and (1, -3) are acted upon by external forces 3N j^, -8Ni^ and 4Ni^. The acceleration of center of mass of the system is

a→CM = F→1 + F→2 + F→3M=-4i^+3j^8⇒aCM=58ms-2

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Three particles of masses 4kg, 2kg and 2kg situated at $(4, 1), (- 2, 2) and (1, - 3)$ are acted upon by external forces $3 N \hat{j}, - 8 N \hat{i} and 4 N \hat{i}$ . The acceleration of center of mass of the system is

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$2.2 {ms}^{- 2}$

$22 {ms}^{- 2}$

$\frac{5}{8} {ms}^{- 2}$

$6.25 m s^{- 2}$

answer is A.

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${\vec{a}}_{CM} = \frac{{\vec{F}}_{1} + {\vec{F}}_{2} + {\vec{F}}_{3}}{M} = \frac{- 4 \hat{i} + 3 \hat{j}}{8}$

$\Rightarrow a_{CM} = \frac{5}{8} {ms}^{- 2}$

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Three particles of masses 4kg, 2kg and 2kg situated at 4, 1, (-2, 2) and (1, -3) are acted upon by external forces 3N j^, -8Ni^ and 4Ni^. The acceleration of center of mass of the system is

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Three particles of masses 4kg, 2kg and 2kg situated at $(4, 1), (- 2, 2) and (1, - 3)$ are acted upon by external forces $3 N \hat{j}, - 8 N \hat{i} and 4 N \hat{i}$ . The acceleration of center of mass of the system is