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?

Question

Social Studies

London Rowe

28 July, 19:42

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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Answers (1)

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Joaquin Nixon · Answer 1

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.