A man pushes on a box at an angle of 30.0° with a force of 20.0 N and the box moves across the floor. Which of the following component of the force do you use to calculate work?
(Points : 1)
0.00 N

10.0 N

17.3 N

20.0 N

Question

A man pushes on a box at an angle of 30.0° with a force of 20.0 N and the box moves across the floor. Which of the following component of the force do you use to calculate work?
 (Points : 1)  
       0.00 N

        10.0 N

        17.3 N

        20.0 N

anonymous · Answer

Work is the dot product of force times displacement so tame the component of the force which is in the direction of motion.|dw:1418087012196:dw|