How Levers Help Us
This instructional film shows the three parts of a lever and demonstrates how various levers help to move things more easily, or move them farther and faster.
Other Streaming Options
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| Not available |
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This instructional film shows the three parts of a lever and demonstrates how various levers help to move things more easily, or move them farther and faster.
| Buy | |
|---|---|
| Not available |
| Rent | |
|---|---|
| Not available |