Two bodies A (30 kg) and B \( (50 \mathrm{~kg}) \) tied with a light string are placed on a fric...

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Two bodies A (30 kg) and B \( (50 \mathrm{~kg}) \) tied with a light string are placed on a frictionless table. A force \( \mathrm{F} \) acting at \( B \) pulls this system with an acceleration of \( 2 \mathrm{~ms}^{-2} \). The tension in the string is :
(1) \( 60 \mathrm{~N} \)
(2) \( 100 \mathrm{~N} \)
- (3) \( 35 \mathrm{~N} \)
(4) \( 140 \mathrm{~N} \)
\( \mathrm{P} \)
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