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What is the basic definition of pressure?

• The weight of an object

• The speed of an object

• The volume of a liquid

• The force applied on a surface per unit area

Which unit is commonly used to measure pressure?

• Meters

• Kilograms

• Liters

• Pascals

How does a barometer measure pressure?

• By calculating the weight of an object

• By using a digital sensor

• By using a spring

• By measuring the height of a liquid column

Which of the following is an example of pressure in daily life?

• The freezing of water

• The boiling of water

• The melting of ice

• The inflation of a tire

Why is pressure important in hydraulic systems?

• It helps in reducing friction

• It allows the transmission of force through fluids

• It increases the temperature of the system

• It decreases the volume of the fluid