Physics Essay Examples and Topics

In response to the pulling force, a restoring force is equal to the compression or extension force. In essence, the restoring force is equal and in opposite direction to the force exerted on the elastic [...]

The degree of bending is proportional to the refractive index of the medium. In essence, with an incident ray traversing two media with different refractive indices, the incident ray, the normal to the interface separating [...]

Aristotle posited that the universe consists of two parts: the terrestrial and the celestial regions and that in Earth, all bodies were made up of a mixture of four types of matter: earth, water, air, [...]

Overall, the aim of the CEN201: Lab Experiment 1 Electric Circuits was: To verify Ohms law experimentally by keeping the voltage constant and varying the resistance.

According to this law, the pressure of a gas is inversely proportional to volume in a closed system if the temperature is kept constant.

When considering a frictionless inclined plane, the Mechanical Advantage, which is the ratio of load to effort, increases with decrease in the angle of inclination.

From the table above, it is evident that water has a specific latent heat of vaporization of 2260kJ/Kg implying that the any mass of water absorbs heat that is proportional to this ratio.

The variables in the circuit are chosen to be the node voltages in nodal analysis. Mesh or loop analysis, as contrasted to nodal analysis, deploys Kirchhoff's voltage law to evaluate currents in the circuit.

The objective of the experiment is to demonstrate Newton's second law of motion that the acceleration of an object with fixed mass is directly proportional to the net force applied to it.

Calculate the theoretical shear force at the cut and complete the Table 2. Calculations: Theoretical Shear Force Sc=w*a/L Where L=0.

The acceleration of a system is directly proportional to and in the same direction as the net external force acting on the system, and inversely proportional to its mass.

The purpose of the present work was to determine the frequency of the sound wave in the state of resonance. The paper contains calculations of the two frequencies for the two forks and a comparison [...]

This paper is an in-depth analysis of the facts surrounding the reflection and refraction of light."Reflection refers to the bouncing of light off a smooth surface"..

The main cause of the formation of rainbow is the refraction and dispersion of the sun light which occur in the event of rainfall or any other form of moisture that could be present in [...]

The essence of performing this experiment was to verify the relationship between the effects of force on the extension of a coiled spring and as such, verify the principle behind a spring balance.

Thus, the direction of the torque with respect to the point is essential and shows the ability of the body to rotate in the direction of the resultant vector.

As such, a number of components like capacitors and inductors are incorporated in the final sections of the rectification circuit so as to result in a smoother output waveform. This is known as the rectification [...]

The aim of this experiment is to ascertain that when three non-parallel forces are in equilibrium, their magnitudes can be derived from the directions of their lines of actions using triangle of forces method or [...]

This guide describes how to set up and perform experiments related to the deflections and reactions of a rectangular portal. The Frame Deflections and Reactions experiment fits into a Test Frame.

According to Putman, the principles of moments states that "the moment of any force is equal to the algebraic sum of the moments of the components of that force".

Some of his well-known contributions in science include the theory of relativity and the Quantum theory. In the year 1905, Einstein worked on the Theory of Relativity.

The benefit of using the KCL and KVL is the ability to calculate closed electrical circuits, including determining branch current and voltage values without the use of instrumental methods of measurement.

The friction between the road surface and the tyre makes it possible for the car to move forward when the gas pedal is pressed. Gravity is the force that causes the bucket to fall into [...]

There is scantly information about the origin and history of winches, but the earliest records by Herodotus of Halicarnassus indicate that wooden winches dominated the architectural form as was referenced by Aristotle and might have [...]

The first pro of nuclear energy is that it emits little pollution to the environment. The next con of nuclear energy is the occurrence of a meltdown.

A shaft on which the masses are firmly linked and a DC motor to rotate the system made up the bulk of the balancing rig.

As one of the great scientists of the 17th century, Newton published his scientific theories and findings in the Principia, his masterpiece in the realm of science.

The specific heat of a matter is a measure of its ability to absorb or release heat and its ability to change state.

This force, which enables an object to rotate, is referred to as a Torque. Torque is therefore defined as the measure of this force F, which enables the object to rotate.

The stress at the end of the experiment gave the breaking strength and was 504. The stress-strain curve was re-plotted in the range of 0 to 1% strain to calculate Young's modulus and 0.

Therefore, substantial research has been done in the literature on the Torsion of prismatic bars with solid, closed, and open cross-sections.

The purpose of this experiment is to verify the principle that the resistance of a conductor is directly proportional to its length by using Ohm's law.

During industrial processes like the dehydration of crude oil, the dissociation of the water molecules from the water-oil mixture is an essential requirement of a coalescer.

However, while the wind and hydropower are renewable sources of energy, fossil fuels are not renewable. Wind energy and hydropower are some of the alternative sources of energy that have been explored.

However, in nuclear fusion, the mass of the products is less than the mass of the inputs, as a portion of the mass is converted into energy.

Hooke's law of physics defines a linear relationship between the strain of a solid and the stress applied to it, and as one increases, the other also increases.

The project begins with a research into solar energy particularly the photovoltaic cell, its historical development, and the behavior and modular design and construction of the PV cell.it goes further to detail on alternative devices [...]

Bohr's Theory Although the aforementioned atomic theory by Rutherford was accurate in that it predicted the existence of a dense nucleus in the core of an atom, it still had a few shortcomings.

In addition, this energy must be equal in magnitude to that leaving the earth's atmosphere since the earth is an open system. Therefore, the overall energy in the universe must be equal to the energy [...]

In the world, there exist different forms of energy that are categorized into two groups that include the fossil fuels and non-fossil fuels.

Ke= mv2/2 From eq taking the negligible potential energy we have E t = Ke = mv2/2 Kinetic energy is therefore related to momentum in the above equation. As mentioned in the literature energy is [...]

In one of her works Diana Bocce observes, "The kite experiment helped Franklin establish a relationship between lightening and electricity, which led to the invention of the lightning rod" This is considered one of the [...]

In the second line, the energy is accumulated in the magnetic field of an inductive current-carrying circuit and delivered to a load using an opening switch.

The tool that provides the means to conduct a pulse height analysis of incoming linear signals as well as conduct a series of counting experiments in one run is known as a multichannel analyzer.

The amount of kinetic energy in a body is affected by environmental factors and the state of surrounding bodies while potential energy is independent of the surroundings.

Generally, an increase in force should lead to a rise in kinetic energy since the higher the force, the greater the change in motion.

The centripetal force formula determines, Fc = /R, that the value of this force is inversely proportional to the radius of the circle: that is, the further the object is from the center of the [...]

To determine an experimental value of the permeability of free space o To investigate the balancing of repulsive magnetic between two wires with antiparallel currents by using a known gravitational force The setup for the [...]

In this experiment, the aim was to derive a relationship between the mass and the diameter of clay spheres to obtain the density.

Introduction The outdoor playing environment forms a very fascinating experience for physicists since it presents a first-hand understanding of the basic principles behind physics. One such playing activity of interest is playing on a trapeze. Akin to a playing ground swing, the trapeze operates under the principles of driving a simple pendulum. A trapeze and […]

The history of radio waves as medium for transmitting information started way back in the 1860s when James Clerk Maxwell, a physicist from Scotland, envisaged the existence of the waves.

It is known that a body moving a long inclined plane, experiences acceleration due to the force of gravity, which is further affected by the mass of the body and the angle of inclination of [...]

Table 1: Raw data from four measurements For each of the four tests, it was necessary to determine the instantaneous values of time and velocity.

The cooling curves of the pure compounds and various mixtures were used to construct a solid-liquid phase diagram of the biphenyl and naphthalene systems.

Recoil is the backward momentum of a gun after a bullet has been discharged. On most occasions, this movement of a gun causes discomfort to the shooter since reduces the accuracy of the target.

The objective of this experiment is to ascertain that when bodies are involved in an elastic collision, both the energy and the momentum are conserved unlike in a perfectly inelastic collision where only the momentum [...]

Both wings fixed on Formula One cars have abilities to generate almost 70 percent of the total down force needed. This role makes the wings necessary parts of Formula One cars.

Further developments in the field of energy use began with the sources such as wind, biomass, and hydropower and these were the only sources of energy for humans for thousands of years.

The work tests the relationship between the acceleration of the cart and the force applied to it, as well as the acceleration of the cart as a function of its mass.

Two 100 pound tanks of oxygen Five gallons of water Stellar map Solar-powered FM transmitter/receiver Food concentrate First-aid kit with hypodermic syringes Fifty feet of nylon rope Parachute silk Signal flares

The law is represented by the formula F = Ma where F is the force applied in a particular direction, M is the mass of the object upon which the force has been applied, and [...]

The movement of electric charge past the head's coil leads to the formation of magnetic fields on the surface of the tape.

To make the best choice, therefore, a careful examination of the necessary requirements, and not only of the advantages and disadvantages of each type of system and its suitability for the particular environment, is critical.

As force acts on an object in motion, its acceleration and direction of force act towards the center of the circular path.

The difference between the initial and final values of the position of the lower end of the spring corresponds to the vertical displacement, that is, it shows how much the given weight was able to [...]

The study of the optical laws of reflection and refraction of light is of decisive importance for the optical beam path's practical research.

From the analysis, the effective mass of the spring was 0. The effective mass of the spring was 0.

Initially, the classification of radioactive wastes in the US was based on attributes such as rate of exposure, the possibilities of spreading, and the mode of production of the waste.

The fact is that a nuclear reactor is not designed in the same way as an atomic bomb, as such, despite the abundance of material that could cause a nuclear explosion, the means by which [...]

No study of physics is complete without a reference to Albert Einstein and his general theory of relativity that revolutionized the notions of space and time and the fresh understanding of gravity.

Photomultipliers are used in analyzing the disturbances in the emission of light, used in combination with scintillators for experiments, and used in medical instruments to determine the blood component levels.

The fundamental difference between light waves and other types of waves is in the ability of light waves to travel in a vacuum.

When the rays of sun land on the surface of the earth, they cause the temperatures of the earth to increase, leading to evaporation of water in the water bodies such as rivers and lakes.

Harris proposes that the focal length relates to the concave and convex lenses because it is part of that system, when it is looked at in relation to the focal point, thus defined as the [...]

Table 1: Results of direct measurements In this experiment, the calorimetric method is used to determine the specific heat capacity of a metal object.

To study Hooke's Law on the example of a small spring. To study Archimedes' Principle using the example of deformation in a vertical spring.

According to Pratidhina et al, the displacement of such a system undergoing simple harmonic motion can be expressed as a function of time, as given by the following equation.

In developing the equation for wave propagation through a stratified medium, it is important to consider the nature of that stratification. In a planar wave's plane of incidence for a TE wave, the curl equation [...]

The periodic time T of the motion is expressed by the below Galileo's equation: Where g is the acceleration of gravity and l - the pendulum string length.

Friction is mainly depended on the nature of the surfaces and not the area of contact between the surfaces. The objectives of this experiment is to verify the laws of friction, the different types of [...]

The motion of a pendulum is a good demonstration of mechanical energy conservation. However, gravity is a conservative force, which is why it does not cause any change to the total mechanical energy of the [...]

To explore the dangers associated with electric circuits, it is necessary that one understands the basics of electric circuit. However, it should be noted that electric shock occurs when there is potential difference created in [...]

The aim of this experiment is to investigate the effects of mass on the breaking distance of a bicycle. The kinetic energy is factor of the mass and the velocity of the bicycle creating a [...]

Is to forecast the bending moment diagram, collapse load, the number, and the position at which plastic hinges for the portal are formed To compare the predicted values with the experimental values found from [...]

The Mesopotamian creation epic creation myth considers man as a savior of the gods in that he is created to work and set free the gods.

In Figure 1, the osmotic pressure is the pressure that needs to be applied to the left water column to stop further flow of the solvent into the solution.

Bonded wire strain gauge consists of a bendable features and a strain gauge that joins the bendable parts. Bonded wire strain gauge cannot be "detached and used again because of the bond".

It is the force that is created to achieve both goals, to propel the car and levite it vertically at the same time. According to the author, the train is propelled forward after it is [...]

This is the case due to the fact that, these properties are the primary determinant of the ability of a laser light to interfere with itself in order to give out the desired interference patterns.

According to the beam type, different equations were used to determine the stress and strain values using the resistance readings from the strain gauges. The strain equation uses the resistance values to compute the strain [...]

The purpose of the present laboratory work was to determine the nature of the relationships between the various variables describing the state of a gas using the ideal gas equation.

Finally, electrical energy is similar to thermal energy, but in this case, there is the movement of electric charges, which cause perturbation of the electromagnetic field.

In accordance with Boyle's Law, with the increase of the volume comes the decrease in the pressure; therefore, with the increase of the intrapleural volume comes the decrease in the intrapleural pressure.

The key focus of the mathematical essay is to determine the minimum number of balloons that can lift the building into the air and consider the associated features of this event.

The conical pendulum moves at a constant spend in a circular horizontal plane and when the bob is attached to a string, it forms a cone and so it is used to illustrate uniform circular [...]

Moreover, the intensity of heat is determined by how fast the atoms are moving in the object, the fast the movement the higher the heat and the lower the movement the lower the heat.

The objective of this experiment was to investigate the relationship between the electric potential and the electric field and hence, determine the electric field pattern and strength E between a pair of parallel conductors.

The main objectives for doing this experiment are: Investigating the use of operational amplifier as an analog comparator Investigating the influence of open-loop characteristics on the circuits in which operational amplifiers are used To measure [...]

The second application of the relationship between electricity and magnetism is in the movement of electric trains. The latter is then adjoined to the wheels of the train.

One of them is by designing a machine that is well adapted to such conditions of overvoltage, while the other method involves the use of protectors such as lightning arresters or power surges.

Surround sound improves the quality of the sound produced and incorporates the listeners more. In addition, surround sound improves live concerts done on CD/DVD by positioning the listener in the hall, while the show is [...]

As explained by the Einstein relativity concept, this form of motion does not fundamentally obey the provided laws of physics, instead, a fictitious force should be introduced in order for the motion to be determined [...]

This investigation proves the hypothesis that water expands anomalously when cooled and increases in volume as it nears its freezing point of zero degree Celsius.

The absolute theories are theories that space-time could exist even if there were no physical objects and events in the universe, but relational theories imply that space-time is nothing but objects, their events, and the [...]

This was done to understand the effect of the height on projectile motion. In another set of the experiment, the height was kept constant and velocity was varied to understand the effect of initial velocity [...]

The chosen article is interesting and informative for different readers due to the possibility to combine past and present studies, use the state of matter laws, and check the interaction of molecules of several gases.

Discoveries linking electromagnetism with electricity led to the phenomenal changes that were witnessed in the field of physics and electrical engineering. Electromagnetism is the study of the forces between electric charges and magnetic fields.

To be more precise, an increased focus is put on the growth of technology that is quite rapid in the modern world and the certain impact that it has on the relationship between time and [...]

Fusion is the process of combining deuterium and tritium to create helium-4. Tritium production is an even more complex process and requires the use of a nuclear reactor to produce tritium beforehand.

In simple terms, stress is the ratio of the elongation force to that of the cross sectional area whiles the stress is the ration of extension to that of the original length.

Voltage drop across a resistor in a simple series circuit is usually equal to the voltage supplied into the circuit from the source.

Fthenakis, Mason and Zweibel also examined the economical, geographical and technical viability of solar power to supplement the energy requirements of the U.S.and concluded that it was possible to substitute the current fossil fuel energy [...]

History in the physics lesson indicates that Isaac Newton was the inventor of light since 1672; he applied the logic of a prism to discover that the prism could split the sunlight to various colours [...]

In his book Hawking while reviewing the writings of the Newton as well as Einstein, he discusses the role of God in the creation of the universe.

The strengthening of the relationship between physics and astronomy was an event that gave rise to the modern understanding of the world in which mankind lives.

The graduated cylinder was filled with the amount of metal powder, and the outcome was measured as the final volume. The density of the metal was determined using these measurements and the density formula ).

Distances S0 and Si for two convex lenses in an experiment using the Lens Equation method Focal length is defined as the numerical characteristic that determines the difference between the position point of the lens [...]

Following the experiment for the simple pendulum, one can see that the pendulum's period of motion changes due to the different lengths of the string but not the weight of the washer.

This paper considers the model of an ideal gas and its implementation on the example of an experiment on changing the volume of a gas cylinder and the corresponding dynamics of temperature and pressure.

The main goal of this lab investigation was to use practical logic circuits to validate DeMorgan's law and the Distributive Law and learn about CMOS devices' characteristics.