work done = Force x displacement
The force acting on the box is its weight, ie. 9.10 x 9.81 = 89.271N
work done = 89.271 x 1.80
= 160.6878J
The required workdone that will enable the lifting of the box up is [tex]160.7J[/tex]
work can be regarded as energy that is been transferred to object or the one that is been transferred from it, through force as well as displacement.
Mathematically we can express as
[tex](Force x displacement)[/tex]
We can calculate Force as [tex]( 9.10 kg * 9.8 m/s^2) = 89.27N.[/tex]
we were give displacement as [tex]1.80 m[/tex]
Then substitute into the expression above, we have[tex]=( 89.27N * 1.80 m)= 160.7J[/tex]
Therefore, the work done that is required so that the box can be lifted is 160.7J
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