Suppose you want to level a field using a lawn roller. Would you prefer to push or pull it? Why?

Push it to increase the pressing force.

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Pull it to increase the pressing force.

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Push it to decrease the pressing force.

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Pull it to decrease the pressing force.

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Solution

The correct option is D Pull it to decrease the pressing force.
It would be better to pull the lawn roller. This is because a part of the applied force reduces normal force (pressing force). As a result of this, friction reduces and less effort is required.

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Similar questions

Why it is easy to push lawn roller as compared to pull it?

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