| Question |
Answer |
| Pressure |
The force exerted on a surface divided by the total area over which the force is exerted |
| Archimedes' Principle |
the rule that the buoyant force acting on a submerged is equal to the weight of the volume of fluid displaced by the object |
| Density |
The Ratio of the mass of a substance to its volume |
| Pascal (The Unit Measure) |
A unit of pressure equal to 1 newton per square meter |
| Fluid |
A material that can easily flow |
| Buoyant Force (Buoyancy) |
The upward force exerted by a fluid on a submerged object |
| 4 Forces on airplanes |
Lift, Drag, Thrust, and weight |
| Pascals Principle |
The rule that when force is applied to a confined fluid, the change in pressure is transmitted equally to all parts of the fluid |
| Bernoulli's Principle |
the rule that the faster a fluid moves, the less pressure the fluid exerts |
| Hydraulic System (Definition, How it works) |
A hydraulic system multiplies force by applying the force to a small surface area. The increase in pressure is transmitted to another part of the confined fluid, which pushes on the larger surface area |
| How does pressure change with elevation? With Depth? |
The Deeper You got the more pressure there is from the water pressure above you |
| Unit of measure for mass |
Grams (g) |
| Unit of Measure for force |
Newtons (N) |
| Unit of measure for Pressure (there are three) |
Pascals (P), N/m2, kg/m |
| How does Lift Work? |
There's a difference at the bottom and top of the wing, the pressure above the wing has less pressure then the pressure below it making it lift |
| How do Density and buoyancy determine if an object sinks or floats? |
depending on the density of the object the object will sink or float if there's a light density buoyancy will lift it up |
| Unit of measure for area |
Centimeters (cm) |
| Unit of measure for volume |
Liter (l) |
| Density of Water |
one gram per milliliter |
| Unit of measure for density |
Mass (m) |
| Unit of Measure for Buoyancy |
Newtons (N) |
| Formula for Area |
Length x Width |
| Formula for Velocity |
Velocity = Distance/Time |
| Formula for Force (and weight) |
Force = m x a |
| Formula for Density |
d = m/v (Density = Mass/Volume) |
| Formula for Pressure |
Pressure = Force/ Area ( p = f/A) |
Spanish 3
