MLA Citation: Bloomfield, Louis A. "Question 58"
How Everything Works 21 Jan 2018. 21 Jan 2018 <>.
58. What is the difference between right and left hand rules?
The rule that's used in the mechanics of rotation is always the right hand rule and that's important. It represents a choice made long ago about how to describe an object's rotation. Having made that choice, it says that the minute hand of a clock (which naturally rotates clockwise) points into the clock. You know that because if you curl the fingers of your right hand in the direction that the minute hand is turning, your extended thumb will point into the clock. There is no left hand rule because that was not the choice made long ago.

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