A clip in the Science Please! collection, Operation Lever uses archival footage, animated illustrations and amusing narration to explain how a lever increases force.
| Actor | Role |
|---|---|
 Rick JonesNot listed | Not listed |
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A clip in the Science Please! collection, Operation Lever uses archival footage, animated illustrations and amusing narration to explain how a lever increases force.
| Actor | Role |
|---|---|
| Rick JonesNot listed | Not listed |