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A labourer has to push a heavy trunk. What should be done to reduce his effort in pushing it and why ?

A labourer has to push a heavy trunk. What should be done to reduce his effort in pushing it and why ?

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 6232 Points
one month ago
The labourer should put some cylindrical logs of wood under the trunk. In this way the area of contact between the two surfaces is reduced. Rolling friction is less than sliding friction.

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