Phy (pressure) Flashcards
1
Q
what is pressure?
A
pressure is the force acting perpendicularly per unit area of a surface
2
Q
formula for pressure
A
pressure=force(weight)/contact area
3
Q
S.I unit of pressure
A
Pascal(PA) or N/m²
4
Q
unit for pressure
A
N/m² or N/cm²
5
Q
the greater the force /weight,the___________the pressure
A
greater
6
Q
the smaller the force/weight,the_________the pressure
A
smaller
7
Q
increasing the contact area will result in ________pressure
A
smaller
8
Q
decreasing the contact area will result in_______pressure
A
greater
