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PLEASE NOTE: Some of the videos in this section are silent to allow the viewer to make their own observations about what is happening and respond to the questions posted below.

This video has no sound 

1. Does this pulley arrangement give you a mechanical advantage? 

2. If it does not give you a mechanical advantage why would you use it? 

This video has no sound 

1. Why were two fixed pulleys used at the top of the crane? 

2. How far does the gondola on the right move compaired to the one on the left?

3. Which gondola has the mechanical advantage?

This video has no sound 

1. Why were two pulleys used on top of the gondola on the right? 

2. How far does the gondola on the left move compaired to the one on the right?

3. Which gondola has the mechanical advantage?


1. How would you fix load tilt in the first part of the video?

2. What is your mechanical advantage in the pulley system shown at the end of the video?  (Hint: look at the movable pulley in the center of the load)