Question

Why water does not fall when we turn glass up side down or when we make glass horizontal?

Answer 1

Answer

The reason this experiment works is because of air pressure.

The air pushing up from underneath the paper is strong enough to stop of weight of the water from pushing the card down. Because of this air pressure, the card will stay on the glass and the water will not spill out.

Answer 2

Answer:

The cardboard does not fall and the water remains in the glass even though it's not supported by anything.

Explanation:

This is because the force caused by the atmospheric pressure acts on the surface of the cardboard is greater than the weight of the water in the glass

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