A 66.0 kg person climbs stairs, gaining 3.70 meters in height. Find the work done (in J) to accomplish this task?

1 Answer
Mar 19, 2017

Answer:

I got: #2393J#

Explanation:

He is doing work against gravity and at the end he will "gain" a potential energy equal to #mgh# that he will need to input through work (...energy conversion through his muscles, perhaps).
So:
#W=mgh=66*9.8*3.7=2393J#