Topic 4 - Force, Area and Pressure Flashcards
1
Q
Pressure
A
- Force acting over a certain area
- Measured in N/M2 or Pascals
2
Q
Pressure in High Heels
A
- High heels would be uncomfortable to wear as there is little surface area and the force would be directed at one spot
3
Q
Pressure in Snow Shoes
A
- Snow shoes would be more comfortable to wear as there is a larger surface area and the pressure would cover a larger area
4
Q
What to Use When Measuring Area
A
- cm2 or m2
5
Q
What to Use When Measuring Force
A
- Newtons
6
Q
What to use when measuring Pressure
A
N/M2 or Pascals
7
Q
Pascals Law
A
- A pressure/force exerted over a contained fluid is transmited udinmished in all directions throughout the fluid and perpendicular to the container
- pressure acting over a contained fluid will cause the fluid to spread out in all directions perpendicular to its container
Ex. Toothpaste comes out no matter where you squeeze the tube
