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Does the work done in raising a body thr...

Does the work done in raising a body through a certain height depend upon how fast it is raised ?

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No. Work done depends only on weigth of body and height through which it is raised. It does not depend upon the time taken.
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Knowledge Check

  • Work done in raising a box depends on

    A
    How fast it is raised
    B
    The strength of the man
    C
    The height by which it is raised
    D
    None of the above

  • STATEMENT-1 Work done by gravity in raising a box onto a platform does not depend on how fast it is raised STATEMENT-2 Work done depends only on force and displacement

    A
    Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1
    B
    Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1
    C
    Statement-1 is True, Statement-2 is False
    D
    Statement-1 is False, Statement-2 is True

  • The work done in taking a body from the floor to the to of table depends upon

    A
    the speed of the particle
    B
    the actual path taken
    C
    the time taken in this work
    D
    the heigh of the table
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