Pressure Flashcards
1
Q
Difference between a force and pressure
A
Force acts in one direction,
Pressure acts in every direction
2
Q
What does pressure depend on?
A
The force (in Newtons)
and
The area it is pressing on (in square metres)
3
Q
to find the pressure
A
Force/area
4
Q
What happens when gases are compressed?
A
the pressure increases
5
Q
Kinetic theory explanation
A
Hardback
6
Q
High atmospheric pressure
A
Means there is a greater density of air molecules present than would normally be the case.
7
Q
Weather in low pressure
A
Wind, rain, unsettled weather.
8
Q
Weather in high pressure
A
Dry, sunny, settled weather
9
Q
what is pressure
A
the amount of force acting on a unit of area
10
Q
what is area
A
the amount of surface that covers an object
