If acceleration of A is 2 m / s ^2 to left

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If acceleration of $A$ is $2\,m / s ^2$ to left and acceleration of $B$ is $1\,m / s ^2$ to left, then acceleration of $C$ is -

A

$1\,m / s ^2$ upwards

B

$1\,m / s ^2$ downwards

C

$2\,m / s ^2$ downwards

D

$2\,m / s ^2$ upwards

If acceleration of $A$ is $2\,m / s ^2$ to left and acceleration of $B$ is $1\,m / s ^2$ to left, then acceleration of $C$ is -

From constrained

$-a_c+2+2-1-1-a_c=0$

$a_c=1\,m / s ^2 \uparrow$

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