Register
4(a) Why doesn't the water flow out when the hand that presses the cardboard is removed? * 1. water inside glass is lighter 2. there is much water inside the glass 3. cardboard is supported by air pressure
228,711 views
16 votes
16 votes
4(a) Why doesn't the water flow out when the hand that presses the cardboard is removed? *

1. water inside glass is lighter
2. there is much water inside the glass
3. cardboard is supported by air pressure
4.
cardboard is strong enough to hold the water

User Startoftext
by
2.8k points

1 Answer

21 votes
21 votes
Air pressure is the weight of a column of air pushing down on an area. ... Because of the air pressure pushing up on the card, the card will stay on the glass and the water will not spill out.
User Timothyzhang
by
3.2k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

Bison wear clothes true or false (not the clothes we wear.)
Please help sorry if it’s a little hard to read
What is the molar mass of. 3 moles of iodine, 5 moles of gold, and 2.5 moles of potassium
Give one example of neutral oxides which turns colourless liquid at room temperature
Carbon monoxide reacts with oxygen to produce carbon dioxide. If 1.0 L of carbon monoxide reacts with oxygen, how many liters of oxygen are required?
Link Copied!