We can push a lighter box easily than a heavy box on the same floor because of friction. The heavier the object, the more friction is applied, thus making it difficult to push a heavier box. People experience more frictional force when pushing a heavy box and less frictional force when pushing a lighter box on the same type of floor.
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We can push a lighter box easily than a heavy box on the same floor because of friction. The heavier the object, the more friction is applied, thus making it difficult to push a heavier box. People experience more frictional force when pushing a heavy box and less frictional force when pushing a lighter box on the same type of floor.