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The Glass is so hard to push underwater because air has less density than water, so it floats. This causes the glass to have an air bubble inside of it, thus making the glass harder and harder to push down.

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16y ago

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When an empty glass is inverted in water why does not water fill in the glass?

Water is a liquid for starters... & The definition of a liquid is "A matter that has a definite volume but NO definite shape." Therefore it's shape can move around.


Why does a straw bends when you put it in a glass of water?

When you put a straw in a glass of water, the air pressure inside the straw is lower than the atmospheric pressure outside the straw. This pressure difference causes the water to push into the straw, creating a buoyant force that bends the straw.


If you push a block of wood under the water you feel a force on your hand.explain?

When you push the block of wood underwater, you feel a force on your hand because of buoyancy. The displaced water exerts an upward force on the block of wood, opposing the force you apply to push it down. This results in a feeling of resistance or buoyant force on your hand.


Why would a cart start moving faster if you gave it a hard push than a soft push?

Giving the cart a hard push imparts more momentum and kinetic energy to it compared to a soft push, causing it to accelerate faster. The increased force from the hard push accelerates the cart more quickly due to Newton's second law of motion (F = ma).


What happens when you push a ball into water?

When you push a ball into water, it displaces the water around it. The ball experiences an upwards buoyant force due to the water it displaces, causing it to partially float. The deeper you push the ball into the water, the greater the buoyant force acting on it.

Related Questions

How do you empty a glass of water without touching the glass or table?

Push it off the table with a rolled up piece of paper.


Why does water push out of the glass when ice is put in?

when you put ice in the water pushes out because the ice is taking up space


When an empty glass is inverted in water why does not water fill in the glass?

Water is a liquid for starters... & The definition of a liquid is "A matter that has a definite volume but NO definite shape." Therefore it's shape can move around.


Can nickel go under water?

yes a nickel can go under water but only if you push it under and the nickel will lose it,s aolor


How can freezing water break a glass?

Because when water freezes, it expands. If there is no other space to take up, it has to push the walls of the container out


What is the opposite of push hard?

The opposite of "Push hard" or a hard push is an easy or light push.


Can the word hard be used as an noun?

The word 'hard' is an adjective (a hard floor, hard water) or an adverb (push hard, work hard), but not a noun.The noun form of the adjective 'hard' is hardness.


What muscle push hard against the wall?

muscle that push hard to wall


I have the Old Spice Bottle cologne but i cant push the button Down and the switch is on it is very very hard any ideas?

A trick which could possibly work is to hold the part where it sprays under hot water.


Why should be cork and glass tubing be moistened with water and glycerin respectively?

I have no idea what you are really talking about exactly, but I assume you are referring to using water to lubricate a glass tube before trying to push it through a rubber stopper with a hole in it. The water will help the glass slide through the small rubber opening, which can be sticky otherwise.


How do you determine the volume of an irregularly shaped object that floats?

You can push it under water / under the liquid's surface, and measure the displacement of liquid.


How do under water creatures move?

Underwater creatures move by using fins to push water behind them, or using little claws/feet to grab the ocean floor to push them along, or take in water and shoot it out behind them (like the squid), or use little arms to push little ounces of water out of the way or behind them.