Hi rrrrrr, Welcome to Physics Forums!rrrrrr said:
Thank you for responding - there was nothing about acceleration.Mevludin Licina said:
gneill said:
Okay! That's a much better problem statementrrrrrr said:
Thank you very much. We weren't sure of the result.gneill said:Okay! That's a much better problem statement
With that information it seems that your solution to part (A) for the width is fine.
Pressure is the force exerted per unit area. It is measured in units of pascals (Pa) or newtons per square meter (N/m2). Pressure can also be measured in other units such as atmospheres (atm) or pounds per square inch (psi) depending on the context.
Force and pressure are directly related. The greater the force applied to a surface, the greater the pressure exerted on that surface. This means that as force increases, pressure also increases, assuming the area remains constant.
No, pressure cannot exist without a force acting on an area. Pressure is a result of the force distributed over a specific area. Without a force, there is no pressure.
The larger the area over which a force is applied, the lower the resulting pressure will be. This is because the same amount of force is spread out over a larger area, resulting in a lower pressure. Conversely, a smaller area with the same amount of force will result in a higher pressure.
Some common examples of pressure, force, and area include:
- The pressure exerted by a person standing on the ground is their weight (force) divided by the area of their feet in contact with the ground.
- The force of a car's tires on the road creates pressure that allows the car to move.
- In a hydraulic lift, a small force applied over a small area can lift a heavy object by creating a larger force over a larger area.
- In a balloon, the air inside exerts a force on the walls of the balloon, creating pressure that keeps it inflated.
- The pressure of a gas inside a container is a result of the force of the gas molecules colliding with the walls of the container over a specific area.