Pressure Flashcards
What is pressure?
Pressure is a measure of an amount of force applied onto a certain area.
What is the formula for pressure?
Force / Area
What is the unit of pressure?
Pascal or N/m^2
Convert 3 N/cm^2 to Pascal(N/m^2)
30000 Pascal because 1 N/cm^2 = 10000 Pascal because the smaller the area, the bigger the force.
If Book A is standing while Book B is sitting on a table, which book produces more force?
Book A because while it’s standing, it has a smaller area, therefore more pressure.
Why do camels and wading birds have the shape of their feet they have?
These animals inhabit areas that are full of sand and mud, their wide feet allows them to walk across those soft surfaces without sinking because the pressure is smaller when the area is wider.
What is liquid pressure?
Liquid pressure is the increase of pressure in liquids as depth increases.
Why does liquid pressure increase with depth?
Liquid pressure increases with depth due to the weight of the water above a part of a liquid increasing.
What is Pascal’s principle?
Pascal’s principle tells us that if a force is applied to a confined fluid, every part of said fluid would increase in an equivalent amount of force.
How can you measure pressure in fluids?
Pressure gauges
