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, [...]

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

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

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 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.

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.

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.

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

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.

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

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.

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.

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 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.

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.

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"..

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 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.

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

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 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.

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.

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

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 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 [...]

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 [...]

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 ).

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 [...]

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 [...]

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.

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

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.

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 [...]

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.

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 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 [...]

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 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 [...]

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.

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 [...]

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.

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 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 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.

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.

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 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 [...]

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.

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.

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.

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

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.

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

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

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 [...]

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 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.

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 [...]

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 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 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 [...]

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 [...]

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.

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

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 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.

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 [...]

This paper discusses Alfred Nobel's work with explosives for military and industrial use leading to his contribution to the world of the Nobel Peace Prize. As such, Nobel had to come up with a way [...]

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 [...]

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.

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 [...]

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 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.

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.

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 [...]

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

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' = [...]

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 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 [...]

This experiment is aimed at verifying Newton's second law of acceleration by investigating the acceleration of a glider on an air track acted on by an unstable force and evaluating the amount of work performed [...]

The best illustration of the adiabatic process is in the form of the equation PVn = constant where p corresponds to the pressure, v corresponds to the volume and n is the polytropic coefficient, which [...]

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 [...]

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.

In physics, the term terminal velocity is that kind of velocity in which the force of drag of an object which is falling is equal to the weight of that object less the acting force [...]

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.

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 [...]

The design of a solar-powered water cooler is based on the normal components and operations of cooling systems. The design of a solar-powered water cooler will help in providing water-cooling services to the people in [...]

Therefore to describe speed it becomes necessary to factor in the amount of time the moving object takes to travel from one place to another as well as the actual distance between the two places.

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.

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

This occurrence is in contrast to destructive interference whereby the amplitude of the resultant wave is lesser than that of the original.

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 spring constant and the natural frequency were calculated from the free-vibration experiment results. Physical attributes in a discrete system are discrete quantities, and ordinary differential equations characterize the system's behavior.

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

Due to the complexity of the mathematics and theoretical work involved in nuclear engineering, it is a somewhat challenging field to master.

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

The viscosity of a fluid is associated with a quantitative indicator of a fluid's tendency to resist flowing. The temperature may significantly impact the value of both the viscosity of a liquid.

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 [...]

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 [...]

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 [...]

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 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.

The figure below provides an overview of the major parts of the solar system, which include the solar core, the radiative zone, the convective zone, the photosphere, the chromosphere, and the corona among others.

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 alternate hypotheses were that planarian Dugesia sp.shows response to gravity and that planarian Dugesia sp.shows response to light. The Chi-Square statistics for both tests were significant and therefore the null hypotheses, the planarian Dugesia [...]