Answer to Question #165682 in Field Theory for Mike

Question

The diagram below shows a man is trying to pull a box a distance of 3 m with a force of 20 N that makes a 35º with the horizontal. Apply your scientific knowledge and understanding of work to find the work done on the box.                             

Answer 1

Answer

Work done is given

Dot product of force and distance

$W = F \times d \cos\theta\\$

W$=20\times3cos30^°$

W=51.96J