WILL BE BRAINLIEST HELP!!!
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The work done by the rope on the box is equal to:
where F is the force applied by the rope, d the distance covered by the box and
is the angle between the direction of the force and of the displacement.
Using the data of the problem:
, 
and 
, we find the work:
where F is the force applied by the rope, d the distance covered by the box and
Using the data of the problem: