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Question

Three blocks of masses $$m_{1}, m_{2}$$ and $$m_{3}$$ are placed on a horizontal frictionless surface. A force of $$40\ N$$ pulls the system then calculate the value of $$T$$, if $$m_{1} = 10\ kg, m_{2} = 6\ kg, m_{3} = 4\ kg$$.

A
$$10\ N$$
B
$$5\ N$$
C
$$40\ N$$
D
$$20\ N$$
Solution
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Correct option is B. $$20\ N$$

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