A swimmer while jumping into water from a height easily forms a loop in air, if
A
He pulls his arms and leg in
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B
He spreads legs and his arms
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C
He keeps himself straight
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D
His body is so formed
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Solution
The correct option is A He pulls his arms and leg in by pulling his arms and legs in he decreases his moment of inertia, thereby increasing his angular velocity using the principle of conservation of angular momentum.