Pressure Flashcards
1
Q
Name the unit for pressure, and give it’s symbol.
A
Pascals (Pa) or Newton metres squared (Nm2)
2
Q
Name the unit for area and give it’s symbol.
A
Metres squared (m2)
3
Q
What is the formula for pressure, given force and area?
A
P = F / A
4
Q
What is the formula for force, given pressure and area?
A
P = F / A so F = PA
5
Q
If force decreases what happens to the pressure?
A
The pressure decreases. Since P = F/A, pressure is proportional to force.
6
Q
What would higher pressure on a person do to footprints if they were walking in sand?
A
Higher pressure means the footprints will be deeper
