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What is pressure caused by? Force
How can pressure on an object be increased? (i) Increase the size of the force (ii) Decrease the size of the area that the force is acting on
Define pressure. pressure = force/area
What is the unit of pressure? Pascal (Pa)
What does pressure in a liquid depend on? Depth
What happens to atmospheric pressure as height increases? It decreases
What is used to measure pressure? A pressure gauge
What is used to measure atmospheric pressure? A barometer
What are meteorologists? Scientists who study and forecast the weather
What kind of weather is present in areas of low pressure? Wet and windy
What kind of weather is present in areas of high pressure? Dry and settled
What are every day applications of pressure? (i) flight (ii) hydraulics (iii) water supply system (iv) medicine
Created by: dmcullen