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 [...]

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, [...]

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.

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.

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.

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.

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 [...]

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 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 [...]

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 [...]

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

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

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 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 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 [...]

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 [...]

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

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 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 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 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.

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.

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.

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

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.

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

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".

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.

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 [...]

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"..

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

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.

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 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 [...]

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

In one case, the mass of the weights was changed, resulting in a change in the speed of the cart. Based on the acceleration and mass of each cart, it is possible to calculate the [...]

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 [...]

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.

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.

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 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.

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.

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 [...]

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 [...]

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

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 mechanical advantage "is a ratio of the load to that of the effort exerted on the machine by the operator".

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.

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

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 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 [...]

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

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

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 [...]

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 [...]

In fact, in the diffraction of any waves, including light waves, visual observation of the envelope of obstacles by waves is possible only if the dimensions of these obstacles are comparable with the dimensions of [...]

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 [...]

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 [...]

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 [...]

If we define Motion in simple terms, it is nothing but the change in the location of a body, and any change in Motion can result from the application of an external force.

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.

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, [...]

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.

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 [...]

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.

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.

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 [...]

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.

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.

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.

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.

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

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 calculated value was used to obtain the quality of the wave. With regards to the sin fits of the motion, the 'eyeball' gave =0.

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 [...]

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.

The amplitude of sound wave determines its intensity while the frequency and wavelength multiply to give the speed of the sound wave. However, the amplitude of a sound wave in no way affects the speed [...]

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 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.

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.

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 [...]

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 [...]

Finally the expandable bullets are the type of bullets which upon hitting the target they expand since they are fired under high velocity.

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 [...]

Furthermore, the cosmic microwave background supports the Big Bang theory and states that with the help of this background, it becomes possible to see the past via the speed of light.

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.

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.

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 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 rise in body temperature, the warming of food, the melting of ice, and the weather are all literally everyday manifestations of temperature fluctuations.

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".

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 [...]

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.

This reduces the size of the barrier potential that is as a result of the depletion layer. The thinness of the LED chip ensures that the photons are able to leave the material radiating to [...]

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 fact, the application of the quantum effect in daily life events has made various people develop an interest in the study of physics.

It is admirable how the work defines heat conduction using a very simple approach; I like the fact that the definition of conduction in the discussion is concise.

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

As such, on predicting T60 of materials one is in a better position to determine the surface, acoustic characteristics of a room and hence; clad a room appropriately.

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 [...]

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 [...]

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.

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.

The developmental milestone of the discovery of nuclear fission in the early 30's paved way to the advent of nuclear power as a source of energy.

One of the major effects of the electromagnetic fields from the mobile phones in human health is tissue heating. When an individual is using a mobile phone, the skin and other tissues absorbs the heat [...]

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 [...]

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

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

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 [...]

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 [...]

This is the point at which the airflow over the wings reaches the speed of sound, and as the aircraft continues to accelerate, shock waves form on the wings.

Cyclists would use at least 250 kWh per hour of energy walking, which is about 70% more efficient than the energy required for a car.

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

Knowing that momentum is a product of mass and velocity of an object, the law can be depicted in the following formula: Where: m = mass before collision v = velocity before collision m' = [...]

265 kWh/kL water supply The actual daily consumption in a period of 8 days of the above-mentioned utilities are calculated and recorded in the following table 2.

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