A labourer has to push a heavy trunk. what should be done to reduce his effort in pushing it and why
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instead of pushing you should pull it from the other side
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Answer: Rather than pushing and dragging the trunk the labourer should roll the trunk to the desired place.
Explanation: Sliding friction between the surface and the trunk is too high to be pushed by a man.
Rolling the trunk helps the labourer in reducing the friction and easier transport of the trunk
THAT'S ALL
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