Question

You carry a 50-N weight up a flight of stairs that is 3 m high in 10 s. then you carry 40 N up two flights of stairs in 20 s. Finally, you carry 30 N up three flights in 45 s. Is the job that took the most power the same as the job that took the most energy? Explain.

Answer 1

No it is not the same you can use more power than the other but you’re using it for a shorter amount of time so your using less energy than if you where to go up 3 flights of stairs