# Winch

The steel rope has a diameter of 6mm and a length of 20m.
We are winding on drum width 60mm, starting diameter 50mm. What is the final diameter after winding?

Result

D2 =  138 mm

#### Solution:

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#### To solve this example are needed these knowledge from mathematics:

Do you want to convert length units? Do you know the volume and unit volume, and want to convert volume units?

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