Whirl 504 Absolutely Essential Words Lesson 14

Whirl 504 Absolutely Essential Words Lesson 14

/wɜːl/ (noun & verb)

Noun: spinning or turning round, spinning motion, flick, rotation, twizzle, twirl  – an exciting and continuous period of activity, tumult, hustle, quick succession of events, commotion, flurry, bustle

Verb: turn or spin rapidly, rotate, reel, twirl, swivel

Why there’s a whirl when you drain the bathtub?
The whirl is due to the net angular momentum the water has before it starts draining, which is pretty much random.

If the circulation were due to Coriolis forces, the water would always drain in the same direction, but I did the experiment with my sink just now and observed the water to spin different directions on different trials.

Source: https://physics.stackexchange.com/

Adjective: whirly

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Dr. Mohammad Hossein Hariri Asl

Dr. Mohammad Hossein Hariri Asl is an English and Persian instructor, educator, researcher, inventor, published author, blogger, SEO expert, website developer, entrepreneur, and the creator of LELB Society. He's got a PhD in TEFL (Teaching English as a Foreign Language).

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