Question

Work can only be done when the force applied to an object causes the object to move. Timmy and Tommy are trying to move the roll of hay. They push and push but the hay doesn't budge. Timmy and Tommy finally give up because they are absolutely worn out. Did Timmy and Tommy do any work?

A) Yes
B) No

Answer 1

Timmy and Tommy did no work on the roll of hay because physics defines work as a force causing displacement, which did not occur in this scenario.

Step-by-step explanation:

Work in physics is defined as a force causing an object to move. In the scenario where Timmy and Tommy try to move a roll of hay, no work is done because the hay does not move. Although Timmy and Tommy applied a force, and they themselves may feel tired due to the effort, physics dictates that without displacement, no work is done on the hay. This aligns with the physics principle that work requires both the application of a force and movement in the direction of the force.

To further clarify, holding a heavy object still does not constitute work because there is no displacement, despite the feeling of exertion. Conversely, lifting an object would be an example of work, as the object moves in the direction of the applied force.