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  • Work, Force, and Acceleration: Understanding the Work-Energy Theorem
    No, it is not possible for a body to be in accelerated motion under the influence of a force without any work being done by the force. According to the work-energy theorem, the net work done on a body is equal to its change in kinetic energy. If the net work done on a body is zero, then its kinetic energy remains constant, which means that the body cannot accelerate.

    Mathematically, the work-energy theorem is expressed as:

    ```

    W = ΔK

    ```

    where:

    * W is the net work done on the body

    * ΔK is the change in the body's kinetic energy

    If W = 0, then ΔK = 0, which means that the body's kinetic energy does not change. Therefore, the body cannot accelerate.

    In other words, for a body to accelerate, there must be a net force acting on it, and this force must do positive work on the body. If the net work done on the body is zero, then the body cannot accelerate.

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