Respuesta :

Answer:

306.4J

Explanation:

Given parameters:

Displacement  = 50m

Force  = 80N

Angle  = 40°

Unknown:

Work done  = ?

Solution:

Work done is the force applied to move a body through a certain distance.

    Work done  = Force x displacement cos Ф

   Work done  = 8 x 50 cos 40  = 306.4J