Forces Flashcards
1
Q
What is pressure?
A
Pressure is a measure of how much force is applied over a certain area.
2
Q
How do hydraulic machines work?
A
Hydraulic machines use liquids to produce very large forces.
3
Q
What is atmosphere pressure?
A
The air around us exerts pressure on our bodies all the time, this is called atmosphere pressure.
4
Q
What is density?
A
Density tells you how much mass there is in a certain volume.
5
Q
What does equilibrium mean?
A
It means that the anticlockwise moments and the clockwise moments are the same.
6
Q
What is an electric current?
A
An electric current is flow of charge.
