A light string passes over a friction less pulley. To one of its ends a mass of \( 6 \mathrm{~kg...

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A light string passes over a friction less pulley. To one of its ends a mass of \( 6 \mathrm{~kg} \) is attached. To its other end a mass of 12 \( \mathrm{kg} \) is attached. What will be the tension in the thread?
a. \( 88 \mathrm{~N} \)
b. \( 60 \mathrm{~N} \)
c. \( 80 \mathrm{~N} \)
d. \( 78 \mathrm{~N} \)
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