After another busy day, Mr. Mason drags Ryan's unconscious body 15.0 m to the door at a constant speed with a horizontal force of 95.0 N.
a) How much work does Mr. Mason do to overcome the force of friction?
b) If the floor has just been waxed, does he have to do more work or less work to drag Ryan? Explain.
Learning Goal: I can use concepts of work and energy to predict the motion of objects.
Today:
- Discuss Work
- Collab Time
Assignment: