Neha has to push a light box and Sohit has to push a comparatively heavier box made of same material, on the same horizontal floor. What can we say about the forces applied by them?

Neha

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Sohit

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Both have to apply the same force

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Frictional force is zero, hence both don't need to apply any force

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Solution

The correct option is B
Sohit

Frictional force depends on the force with which the surfaces are pressed against each other. Heavier the object, more will be the pressing force and more will be friction. This will require a larger force to overcome friction. As Sohit is pushing a heavier box on the same surface, he will have to apply a larger force.

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