When a body of mass \( m \) raised by a string with an P accelerati...

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When a body of mass \( m \) raised by a string with an
P acceleration \( a=g \) in upward direction, then tension in

W the string is
(1) \( 2 m g \)
(2) \( m g \)
(3) \( \frac{m g}{2} \)
(4) Zero
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