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[Solved]: Q4. When a ( 60 mathrm{lb} ) boy swings, the
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(Solved): Q4. When a \( 60 \mathrm{lb} \) boy swings, the maximum tension in each of the two supporting cord ...


Q4. When a \( 60 \mathrm{lb} \) boy swings, the maximum tension in each of the two supporting cords is \( 50 \mathrm{lb} \).

Q4. When a \( 60 \mathrm{lb} \) boy swings, the maximum tension in each of the two supporting cords is \( 50 \mathrm{lb} \). Determine the speed and the magnitude of acceleration of the boy at the moment when the maximum tension is achieved.


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Total downward force along the rope direction = 50 * 2 = 100 lbf
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