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प्रश्न
Which class of lever found in the human body is being used by a boy when he raises the weight of his body on his toes?
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उत्तर
Class II lever.
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संबंधित प्रश्न
shows a nut cracker name the class of lever ?
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(i) the mechanical advantage of a crowbar and,
(ii) the effort applied at the other end.
