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Secondary I • 1yr.

What is the difference between a helical motion and a rotational motion?

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Explanations (1)

  • Explanation from Alloprof

    Explanation from Alloprof

    This Explanation was submitted by a member of the Alloprof team.

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    Team Alloprof • 1yr.

    Thank you for your question!

    Rotational motion describes the movement made by an object that follows a circular path (which rotates) around an axis without moving on the axis.

    Helical motion describes the movement performed by an object that follows a circular path (which rotates) around an axis while moving along the axis.


    In short, helical motion is a fusion of rotational motion and rectilinear translational motion.


    Also, helical motion and rotational motion are not represented by the same symbol.

    • Helical movement is represented by the following symbol:

    s1425i11.png


    • Rotational movement is represented by the following symbols, depending on whether it is unidirectional or bidirectional:

    s1425i13.jpg


    s1425i12.jpg


    Do not hesitate if you have other questions!