Homework Follies

Boy doing math problems

Worked some physics problems with my boy last night . . . the subject at hand was torque, which his textbook expresses in units of mN.

“Back in my day, we used to measure torque in foot-pounds,” I said. “What’s mN? Millinewtons?”

“I don’t know,” he said. “I guess so.”

“OK, we’re off to a great start!”

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