A bodybuilder lifts a weight upward , and then returns it to its original position, all with a constant speed. What is the net work done on the weight?

A crate slides along the floor for . What other piece of information do we need to find the work done?

Michael pushes a box across the floor. If the box moves with a constant velocity, what is the total work done?

Miguel pushes a crate with of force. What other piece of information do we need to find the work he does?

Rodrigo pushes a sofa down a long hallway. If the couch moves with a constant velocity, how much work does Rodrigo do?

Which of these is a correct formula for work?

Which of the following is an example of work?