Pressure
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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What is pressure
Force per unit area
What is the equation for pressure?
Area
What is the unit for pressure
Newton per square meter N/cm²
How can you show that pressure in a liquid depends on depth?
Fill a can with water and make 4 equal sized holes at different levels. The lowest hole of the four spurts water the farthest showing the greater the depth, the more pressure
How can you demonstrate atmospheric pressure?
Fill the bottom of a can with water and hold over a Bunsen burner to boil the water. When steam starts coming out turn the can upside down in a basin of water. The can collapses as boiling the water removed the air from the can through steam and once the steam condenses the pressure outside the can causes it to collapse
What is a barometer
A barometer is an instrument which is used to measure atmospheric pressure
Name 4 applications of pressure
Flight (aeroplane), hydraulics (car brakes), water supply system and medicine (blood pressure)