It’s still the same amount of work. Really! Yes, it was probably much more difficult to pedal up Hill A in one minute than it was to pedal up Hill B in 2 minutes. But that doesn’t matter when you’re measuring work.

Huh?

You are probably thinking: “But why is it more exhausting to pedal up a hill fast?”

It definitely takes more power to pedal up Hill A in 1 minute.

But what does that really mean?