Note:
Work | No Work |
---|---|
Horse pulls a plow | A teacher applies a force to a wall and becomes exhausted. |
A book falls off a table and free falls to the ground. | A waiter carries a tray full of meals above his head by one arm straight across the room at constant speed. |
A rocket accelerates through space. | Water bottle sits on a table |
For each case, indicate which force(s) are doing work upon the object. Then calculate the work done by these forces.
For each case, indicate which force(s) are doing work upon the object. Then calculate the work done by these forces.
On your whiteboards:
Energy is like money...
or as we will use
Find the equations...
Subtitute Individual Equations
Subtitute Individual Equations
Subtitute Individual Equations
Subtitute Individual Equations