How much work does it take to raise a #31 kg # weight #52 m #?

1 Answer
Jan 24, 2016

Answer:

I got #15,797.6J~~15.8kJ#

Explanation:

You do work against gravity so you need to put in at least the same force as #mg# (the weight) to go for a displacement of #h=52m#;
so you get that the work will be:
#W=mgh=31*9.8*52=15,797.6J~~15.8kJ#