M2.2 Pressure and Buoyancy

Front

What is pressure defined as in the context of force and area?

Back

Pressure is the force spread over an area. P = F/A

Front

What is one of the units of pressure?

Back

bar

Front

What is the effect of buoyancy related to?

Back

Density

Front

What unit is used to state atmospheric pressure?

Back

atm (atmosphere)

Front

Value of 1 atm in bars?

Back

1.01 bar

Front

What is the purpose of a mercury barometer?

Back

To measure atmospheric pressure

Front

What does the height of the mercury column in a barometer indicate?

Back

Atmospheric pressure

Front

What is an absolute vacuum?

Back

A space with no particles

Front

What does the term "P_g" represent in the formula for absolute pressure?

Back

Gauge pressure

Front

What is the density of benzene if it is less dense than water? Options: 862 kg/m³, 1702 kg/m³, 1000 kg/m³, 1020 kg/m³

Back

862 kg/m³