Select all that apply.

No work is accomplished in which of the following situations?

a boy carried a 4.0-newton box 3.0 meters across the room at a constant velocity.

a boy pushes on a box weighing 4.0 newtons and it doesn't move.

a boy lifts a 4.0-newton box to a height of 1.0 meter.

Question

Rudy Weiss

21 January, 08:50

+5

Answers (1)

Know the Answer?

Callie Vega · Answer 1

In the second one. Because to have work, needs to exist displacement. As he the boy pushes the box but it doesn't move, there is not work done.

Select all that apply.No work is accomplished in which of the following situations?a boy carried a 4.0-newton box 3.0 meters across the room at a constant velocity.a boy pushes on a box weighing 4.0 newtons and it doesn't move.a boy lifts a 4.0-newton box to a height of 1.0 meter.