Evidence 1 Physics

Evidence 1

Made by: Ulises Eleazar Rasgado Binzha

Pressure

Simple Harmonic Motion

Force applied on a surface

Pascal's Principle

“Pressure applied to an enclosed fluid is transmitted undiminished to every part of the fluid, as well as to the walls of the container”

Fluids

Vibrations

Hooke's law

Archimedes principle

“The buoyant force on an object immersed in a fluid is equal to the weight of the fluid displaced by that object.”

Mass & Energy ii

Volume flow rate

The volume flow rate can also be expressed in terms of the fluid’s speed.

Fluids Dynamic

Sources

BERNOULLI’S EQUATION

TORRICELLI’S THEOREM

Formula values

Amplitude of motion: represented with the letter A, is the maximum displacement from theequilibrium position; it is measured in meters (m).

Hooke's Law explanation

In a spring, the restoring force (F) will be given by Hooke’s law. (images).Where: • F= force applied (N) K= spring constant (N/m) X= displacement from equilibrium (m)

Formula

Visual example

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Torricelli’s theorem is useful to calculate the speed at which a liquid will be moving, if there is no change in pressure and only the gravity acts on it. Formula values: V= speed at which the liquid comes out of the tank G= gravitational acceleration H= height from the hole to the water’s surface

When a fluid moves on a conduit its mass remains constant. If it's an incompressible fluid, there´s the following equation:

Q= Volume flow rate (m3/s)V= Volume (m3) T= Time (s)

Bernouli's equation states that...

The work done on a unit volume of fluid by the surrounding fluid is equal to the sum of the changes in kinetic and potential energies per unit volume that occur during the flow.

Vibration is a type of SHM

The Simple Harmonic Motion (SMH) is a periodic movement, in absence of friction, produced by a restitution force (force that will make the object go back to the resting position).

Its usually used for studying waves.

Formula

F1= Force applied on the smaller pistonA1= Area of the smaller piston F2= Force applied by the fluid on the second piston A2= Area of the second piston

Visual example

Force Law

The amount of pressure an incompressible fluid or a liquid exerts on a bodyalso depends on its density and depth.

Formula

• p = Pressure
• g = Gravity (9.81 m/s)2
• h = Height

P=pgh