Question

How much work is required to lift a 4kg object 3m high?

Answer 1

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

Step-by-step explanation:

Given data:

m = mass of the object = 4 kg

h = high = 3 m

Question: How much work, W = ?

The work:

`W=Fh=mgh`

Here

g = gravity = 9.8 m/s²

`W=4*9.8*3=117.6Nm`