Question

a boy with a mass of 60kg climbs a
10m vertially up a ladder.
A) how far did he travel?
B) how much work is done?
C) what are the energy changes here?

Answer 1

I will be happy to critique your thinking.

Answer 2

sorry my mistake for a it should have been what is his weight?
i got his weight as 600N
work done is 6000N/M
but i did not get c