In which situation is a person doing work on an object?
Responses
A student walks while wearing a backpack that weighs 15N.
A student walks while wearing a backpack that weighs 15N.
A school crossing guard raises a stop sign that weighs 10N.
A school crossing guard raises a stop sign that weighs 10N.
A man exerts 350N force on a rope attached to a house.
A man exerts 350N force on a rope attached to a house.
A worker holds a box 1 meter off the floor.