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24 September, 01:13

A pair of scissors is being used to cut a string. Does each blade of the scissors have the same angular velocity (both magnitude and direction) at a given instant?

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  1. 24 September, 02:42
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    A pair of scissors is being used to cut a string. Each blade of the scissors does not have the same angular velocity (both magnitude and direction) at a given instant. Each blade has the same angular speed but have opposite direction.

    Explanation:

    A pair of scissors is being used to cut a string. Each blade of the scissors does not have the same angular velocity (both magnitude and direction) at a given instant. Each blade has the same angular speed but have opposite direction. The angular velocity is given by

    ω = ∅/t

    Both blades rotate around the same axis so they have same angular displacement and same speed or the magnitude of the angular velocity but the angular velocity is a vector quantity and it has different direction for the two blades.
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