Apackage is pushed across a floor a distance of 50 feet by exerting a force of 15 pounds downward at an angle of 25 degrees with the horizontal. how much work is done?

The force is 679.73 ft-lb = 921.59J.

Step-by-step explanation:

The work is given by the following formula:

In which F is the force applied, d is the distance, and is the angle at which the force is applied.

In this problem, we have that:

So

ft-lb.

Each ft-lb has 1.356J. So the force is 679.73 ft-lb = 921.59J.