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Miscellaneous·2022·Easy

A mass M is dragged by a pulley on a horizontal plane by a force anti-parallel to its displacement. The work done in pulling the mass M is

A mass M is dragged by a pulley on a horizontal plane by a force anti-parallel to its displacement. The work done in pulling the mass M is

Options

  1. a.

    zero

  2. b.

    positive

  3. c.

    infinite

  4. d.

    negative

    Correct answer

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