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Two people climb to the roof of a building. The older person walked up a gentle ramp, the young person climbed up a steep spiral staircase. Which person did more work?

Sagot :

Answer:

The reason this is deceptive is that force required is greater in the steeper case making it feel harder to do. Also, if you try to move at the same speed, the power required will be greater in the steeper case. Nonetheless, the work is the same.