Respuesta :

Answer:

To lift the object it takes 117.6 N m of work.

Explanation:

Given data:

m = mass of the object = 4 kg

h = high = 3 m

Question: How much work, W = ?

The work:

[tex]W=Fh=mgh[/tex]

Here

g = gravity = 9.8 m/s²

[tex]W=4*9.8*3=117.6Nm[/tex]