1.

A boy of mass 40 kg is hanging from a horizontal branch of a tree. The tension in his arms is minimum when the angle between the arms is1) 0°2) 90°3) 120°4) 180°

Answer» A boy of mass 40 kg is hanging from a horizontal branch of a tree. The tension in his arms is minimum when the angle between the arms is
1) 0°
2) 90°
3) 120°
4) 180°


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