A block of mass \( 15 \mathrm{~kg} \) is held by a string on an inclined plane (angle \( 30^{\ci...

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A block of mass \( 15 \mathrm{~kg} \) is held by a string on an inclined plane (angle \( 30^{\circ} \) ). The tension \( T \) in the string is \( \left(g=10 \mathrm{~m} / \mathrm{s}^{2}\right) \)
[AMU (Engg.) 2012]
(a) \( 55 \mathrm{~N} \)
(b) \( 60 \mathrm{~N} \)
(c) \( 75 \mathrm{~N} \)
(d) \( 90 \mathrm{~N} \)
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