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What is work done by the force of tensio...

What is work done by the force of tension in the string of a simple pendulum?

Text Solution

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Work done is zero, as displacement of bob of simple pendulum is always perpendicular to the string of the pendulum.
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Knowledge Check

  • The tension in the string of a simple pnedulum is

    A
    constant
    B
    maximum in the extreme position
    C
    zero in the mean position
    D
    none of these

  • The work done by the tension in the strings of a simple pendulum in one complete oscillation is equal to

    A
    zero
    B
    total energy of pendulum
    C
    `P.E.` of the pendulum
    D
    `K.E.` of the pendulum

  • the work done by applied force is

    A
    10 J
    B
    50 J
    C
    100 J
    D
    150 J

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