Pressure Flashcards
What is the pressure exerted by a man standing on one leg?
The pressure exerted by a man standing on one leg is twice the pressure he exerts when standing on two legs.
What are the correct units of pressure?
The correct units are Newtons per square metre.
How do you calculate pressure?
Pressure is calculated by force divided by area.
What are the correct units of force?
The correct units of force are Newtons
What is an example of an object that increases pressure?
A drawing pin increases the pressure at its point.
Which example reduces pressure on the ground the most?
Lying down flat reduces pressure on the ground the most.
What states of matter are fluids?
Liquids and gases are both fluids. Gases can flow as well as liquids.
The weight of a 100 N laser printer is spread over 0.5m2. What is the pressure it exerts?
The pressure exerted by a 100 N laser printer spread over 0.5m2 is 200 N/m2.
Where is there greatest pressure?
There is greatest pressure at the bottom of the ocean.