Force and Pressure

What is pressure?

• The physical force exerted on an object

• The amount of force exerted on a surface

• The ratio of force to area

• The force applied perpendicular to the surface

What is the formula for pressure?

• F/A

• A/F

• F x A

• A + F

What is the unit of pressure?

• Pascals (Pa)

• Newtons (N)

• Meters (m)

• Kilograms (kg)

What are the types of pressures?

• Absolute, Atmospheric, Differential, and Gauge Pressure

• High and Low Pressure

• Positive and Negative Pressure

• Static and Dynamic Pressure

What is atmospheric pressure?

• The pressure exerted by the earth's atmosphere

• The pressure inside a closed container

• The pressure at the bottom of a liquid

• The pressure exerted by a gas

How is atmospheric pressure measured?

• Using a mercury barometer

• Using a thermometer

• Using a pressure gauge

• Using a weighing scale

What happens to atmospheric pressure with height?

• It increases

• It decreases

• It remains constant

• It fluctuates

What is the pressure exerted by a liquid on the walls of a container dependent on?

• The volume of the liquid

• The temperature of the liquid

• The height of the liquid

• The density of the liquid

What causes a tin can to collapse inwards when cold water is poured on it?

• The decrease in atmospheric pressure

• The increase in atmospheric pressure

• The decrease in internal pressure

• The increase in internal pressure

Which of the following are considered as fluids?

• Solids and Gases

• Gases and Liquids

• Only Liquids

• Liquids and Solids