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 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.

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.

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, [...]

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 [...]

In other words, a change in the intensity of magnetic flux near a closed circuit results in the induction EMF, which is opposite in direction and equal in magnitude to the flux.

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.

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 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 [...]

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.

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 anatomical forces of the player are also a significant part of the game and have an effect on the ball's movement and whether it reaches and knocks the pins.

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.

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.

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

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 [...]

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 [...]

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 [...]

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 [...]

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.

However, the processing method is very expensive, and the radiation dose is very high compared to standard processing methods. To add to this, quality of the film produced under the daylight processing is high.

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.

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

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.

In the year 1911, Earnest Rutherford discovered the proton, the particles that make up the nucleus and most of the mass of an atom.

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.

On the reaching the atmosphere water molecules bond together again and come back to the earth surface through the process of precipitation.

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 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.

In this laboratory work, the dependence of the centripetal force on the radius, the mass of the sample, and the angular velocity at which the sample rotates around the vertical axis are studied.

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 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 [...]

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

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

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

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 [...]

The Experiment was going to be carried out in the following manner: Checking the equipment; Charging the hydraulic bench with water; Placing the plastic caps at the end of the shaft; Increasing/decreasing pressure; Observing the [...]

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.

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.

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".

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 [...]

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 [...]

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 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.

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.

From Aristotle's perspective, to know the purpose of nature is the most essential task of a philosopher and his strategies should be subjected to this task.

A graph of V against r^2 was plotted for this case to determine e/m for comparison to the first setup and the theoretical one.

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.

The reference beam is represented by the electric field as One of the distinct properties of a hologram is that the hologram gets light from each part of the object in the setting.

Some people believe it is the reflection of the oceans' color while others believe it is the reflection of the blue portion of the light from the sun that is reflected on the surface of [...]

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".

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 study of the evolution of the universe is fundamental to understanding the driving forces behind the emergence of life. The controlled variables are the use of the same balloon, the composition of the gas [...]

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 [...]

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.

The invention of the microwave oven - is the invention of completely new method of food preparation. It must provide the possibility of survey and to exclude the output of the microwaves to the outside.

Since its discovery in the early twentieth century, the photon has contributed greatly to the understanding of the fundamental physics, was used in the multitude of experiments to prove the dualistic nature of light, served [...]

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 [...]

However, it is easier in uplifting a load with a single fixed pulley because the pulley enables one to pull the load towards the gravitational acceleration, rather than against it like in the case when [...]

One of the important hires was Linda Choate, a Ph.D.in Physics from Stanford, who during earlier rotations chanced upon Frank Harlan's solar cell and was able to calculate and predict the maximum theoretical efficiency of [...]

Thus, being a physics student at the Massachusetts Institute of Technology, he suggested an unusual approach to calculating forces in molecules as a part of his undergraduate thesis in 1939.

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.

One of the major contributions of the article is a discussion on the various contradictions that the law of conservation of energy has.

The effort to understand the seemingly dimensionless nature of fundamental particles and the four dimensional nature of matter and space in one theory has led to development of string theory. The string theory is the [...]

Even those who say net production is cost effective for unit of nuclear energy produced may not be saying the truth because most of these estimate forget that nuclear energy is recipient of many government [...]

The injection section has a hopper where a material is fed, and an injection ram that drives a molten material to the clamp thanks to heaters.

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.

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 [...]

Obviously, for normal functionality of such a device, it is necessary to ensure that a stable voltage is supplied to the sensor, which means that the circuit must be able to transform the AC voltage [...]

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.

A fiber-optic system will consist of a transmitting device that generates a light signal, an optical fiber cable that acts as the medium for carrying the light, and a receiver on the other end to [...]

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

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 ).

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.

He observes that space and time have remained to be the most mysterious of the concepts of the universe. The fundamental assumption of the theory is that the universe was initially very hot and in [...]

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.

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 [...]

To investigate the differences between an open loop and closed loop motor speed control in the presence of mechanical load. U-151 Dual attenuator U-152 Summing amplifier U-153 Pre-amplifier U-154 Motor driver amplifier U-155 Tacho amplifier [...]

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.

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

In this laboratory work, the dynamics of linear motion of a cart on a horizontal plane were studied to determine the relationship between the position of the cart and time, which is then used to [...]

Over the past 30 years, the extraction of copper ore and the use of refined copper around the world has increased dramatically.

The most common ones include the change in the position of the conductor relative to the source of the magnetic field and the change in the power of the field.

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 [...]

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.

At the same time, the generation of hydroelectric energy is associated with the construction of dams. It is also important that the breakthrough of dams, especially large ones, leads to flooding of vast areas, as [...]

The voltage required to stop the current is proportional to the energy emitted; thus, voltage data is obtained and plotted to obtain the stopping voltage allowing the current to reach zero on the meter.

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 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.

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 […]

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.

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.

This process is called energy conversion, and it is one of the most important concepts in understanding energy. An example of energy conversion in daily activities is the shift from electric energy to heat in [...]

The study by Steven Brunton and others at the University of Washington demonstrates the use of Sparse Identification of Nonlinear Dynamics.

Newton stated that everybody in the Universe affects all others "with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers".

For example, if when a wave propagates in a medium, the displacement of its particles occurs in the direction of the wave itself, it is commonly referred to as a longitudinal wave.

To analyze the frequency response of R-L and R-C circuit networks. To observe the current and voltage waveforms and analyze the effect of L and C on such waveforms.

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.

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 [...]

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.

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 magnetic field inside the material is the sum of the applied magnetic field and the magnetic field due to magnetization.

Series combination of more than one resistor is the one in which the current flowing through both the resistors is the same and voltage across the individual resistor may be different.

The color of a material object, surface, or substance is a particular wavelength of the visible light reflected from it. The reason is that light can be scattered differently depending on the direction, angle, cloudiness, [...]

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

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.

The theoretical basis of this investigation was evaluating the sum of the voltage drops throughout various closed connections, which is equal to zero.

Thermal expansion is a concept in physics that refers to a matter's tendency to change its density, volume, or shape in response to the change in the surrounding temperatures, not including the passe transitions.

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 [...]

The product of electrolysis is obtained in a different physical state than that of the electrolyte used in the electrolytic cell.

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.

Project Goals To analyzed the mechanisms fronted in the quest to finding the cause of Mpemba effect. A data on the actual lose in volume of water need to be tabulated for analysis.

In this case, light is always scattered as time goes by because of the ocean. This is because light moves slowly in dense air that is always the characteristic of the ocean.

In this diagram, the electron life cycle shows that when an electron loses energy at point 'a', it leads to the creation of the photon.

This is required so that the change in the state of the particle at the location of the event to be identical to the observed change at the other end.

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

From this data, the dependence of the wavelength on the root of the tension is plotted to determine the slope factor; this factor can be used to calculate the frequency of the wave indirectly.

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 equilibrium state of the three forces was determined by placing the ring connected to the three pulleys at the center of the Force Table.