Children in a tree house lift a small dog in a basket 4.90m up to their house. If it takes 201J of work to do this, what is the combined mass of the dog and basket?

Answer 1

W=Fd

Answer 2

F=ma=mg

now solve for W

d=x=distance

Answer 3

W=ΔPE=mgh
m=W/gh

Answer 4

201/(9.82)(4.90)
4.18