your friend says that the heavyweight champion of the world cannot exert a force of 50N on a piece of tissue paper with his best punch. the tissue paper is held in midair- no wall, no tricks. you?

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  1. Is "you" the question?

    Is the tissue really held?

    The claim is probably true when you consider the mass of a tissue (about 0.001 kg) and the maximum acceleration a fist can apply, about 50 m/s^2.

    Remember that F = ma

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