Which of the following statements is true? Friction moves in the same direction as motion Some machines are 100 percent efficient. Power measures the speed at which work is done. Windmills change circular

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asked Sep 11, 2020 5.7k views

2 votes

Which of the following statements is true?

Friction moves in the same direction as motion

Some machines are 100 percent efficient.

Power measures the speed at which work is done.

Windmills change circular motion into straight motion.

Physics
middle-school

Alley asked

by Alley

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Answer:

Power measures the speed at which work is done.⊂⊃⊂∩⊃⊂⊂

Obiwanjacobi answered Sep 15, 2020

by Obiwanjacobi

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