Essays on Gravity

Simple pendulum
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Hypothesis The period of an oscillating pendulum is given by the equation: T=2pi sqrt((l)/(g)) Where T is the period time of the pendulum, L is the length of the thread of the pendulum, and g is the gravitational acceleration. The acceleration due to gravity can be calculated using this formula and by knowing both the time period, and the length of the thread of the pendulum. Apparatus Spherical bob, Thread, Stop Watch, Tall Stand Clamp Method Attach a long piece…...
EducationExperimentGravityPhysicsThe Pit and The PendulumTime
Advancing Physics Coursework
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The Theory of Gravity has been transformed through the last century, from an original and important classical framework to more recent relativistic and then quantum interpretations, eventually culminating in a specific requirement to link it all together with the other forces and create a unified theory of everything. The search for unification is currently very much dependent upon experimentation and raises questions as to the scientific validity of String Theory and whether it exists as science or philosophy - or…...
GravityMechanical EngineeringPhysicsScienceScientific method
Ticker – Timer Practical Repor
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Ticker - Timer Practical Report Introduction This practical is investigating the motion of a trolley as it is placed at the top of an inclined ramp, and is released to roll down the ramp. With the aid of a ticker-timer, the average speed and acceleration can be determined, and using this data, the amount of force that the trolley has acting on it, can be calculated. The ticker-timer is utilised to determine the distance that the trolley travels in each…...
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The Bouncing Spring
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Imagine someone doing a bungee jump or someone bouncing on a trampoline and think what is it that keeps pulling them down and not letting them fly off, Gravity the most important force on Earth. What if we didn't have gravity, everyone would be jumping through the air, and people would take more than just one second to fall. Gravity helps objects fall and even if they intend to rise again due to a gain of energy such as elastic,…...
GravityPhysicsScienceScientific methodSpring
Ryanair: Defying Gravity Essay
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Questions:1. What is your appraisal of Ryanair’s launch scheme?1. Focused to develop nucleus competency in low-priced short-haul air hose. 2. Scheme was “lower than lowest current fares” on short high-demand high-growth paths. 3. Cut win-win trades with under-utilized 2nd grade airdromes.4. Marketing nonsubjective: Acquisition-Stimulate demand with oculus on stealing portion from flag European bearers. 5. Target market was fare witting clients who otherwise wouldn’t have travelled by air.2. How do you anticipate Aer Lingus and British Airways to react? There…...
Parachutes Investigation
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Planning: The purpose of this investigation is to collect details about how the weight of an object can affect the speed that a parachute drops. The main aims of the investigation are to find out the way that different forces act on objects when dropped. The forces that act upon the parachute are, gravity and air resistance. Gravity pulls the weight on the parachute down, and air resistance acts against the parachute. A diagram is shown below of how the…...
Angry Birds
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Angry Birds have always been a popular household game amongst young people, including myself. I remember when my much younger cousin asked me to help her to win a game by shooting a bird on a pig, and that is when I realized that winning this game, might need a bit of Mathematics. The gamers are firstly presented with different kinds of birds, with different power abilities. Then, the bird is placed on a slingshot, that shoots out a trajectory,…...
Investigation into factors affecting the speed of a car rolling down a ramp
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The following investigation that I am going to embark on will involve the transfer of energy from one form to another. Usually when there is a transfer of energy from one component to another, these constituents are parts of machines or mechanisms, which are collectively classed as systems. In any one system there could be just one energy transfer or numerous transfers of energy. However, when we are dealing with systems, we must remember that there is no system that…...
ForceFrictionGravityLight EnergySpeed
Investigation of the Factors Affecting the Rate at Which an Object Falls 
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All objects, when no force is acting upon them, shall remain at the same steady speed, without accelerating or decelerating; so if an object is still, it shall not move and if it is moving then it shall continue moving so long as no force is acting upon them. This was explained by Newton's first law. However it must also be noted that the meaning of "no force" may also be understood as "all forces acting upon a certain object…...
Investigation into the effects of a change of angle on the stopping distance of a toy car
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The aim of this experiment is to ascertain how the stopping distance of a toy car is affected by the steepness of the angle of the ramp. Diagram Safety Measures There aren't any safety aspects in this investigation. Apparatus During the experiment I used to the following equipment: Ramp 2x Metre Rulers Matchbox car Boss + Clamp Stand Prediction I predict that the steeper the ramp, the further the car will travel Fair Test To ensure that it was a…...
Investigating a Rolling Ball
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The aim of this experiment is to determine whether or not energy is conserved when a ball bearing is rolled down a slope. Six weeks of preliminary work have been carried out ensuring that measurements can be taken quickly with the correct instruments needed for the measurement. Previous knowledge of energy conservation says that energy cannot be created or destroyed. What factors need to be controlled or varied in this experiment? In this experiment many factors need to be considered,…...
ExperimentGravityMechanical EngineeringPhysicsScienceSpeed
Investigating how far a car travels after rolling down a slope
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I know that if factors are changed the car will travel a different distance after leaving the ramp. Background Knowledge There are many factors that can affect this distance. 1. The weight of the car - this will affect the gravitational potential energy of the vehicle, therefore when the vehicle is released the amount of kinetic energy the car has will differ. 2. Surface area of the wheels on the surface - this will affect the amount of frictional energy…...
Investigating factors that affect the bounce height of a squash ball
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I have decided to investigate how the height from which a squash ball is dropped affects the height of its bounce. When a ball is dropped, it accelerates until it collides with the surface - an impact. It then recoils, and some of the energy is reflected back upwards, causing it to bounce. I believe that as the height from which the ball is dropped changes, the speed of the ball at the moment of impact will also change. This…...
To investigate the efficiency of energy transfer on a rolling object
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To do this I will investigate the input variable which is the factor we're changing. I shall change the height of the slope, which therefore means the input variable is the gravitational potential energy (G.P.E) as the height moved affects it. Prediction I predict that the transfer of energy will be more efficient the steeper the slope gets. This is because as the slope gets steeper, the marble will rotate less and less (so less rotational energy) and make less…...
Investigating the Effect of Varying the Perpendicular Height of a Ramp
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Prediction of the relationship between the height used and the change horizontal distance travelled by the spherical mass. I believe that height is directly proportional to distance squared. This means that if the height is doubled the distance will quadruple. Explanation of the prediction in scientific terms. The formula to work out distance travelled is simply = average speed/total time, however there are many other formula used in working these two out. First the speed, or velocity must be obtained.…...
GravityMechanical EngineeringPhysicsScienceSpeed
Force and Motion
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JPN Pahang Physics Module Form 4 Chapter 2 : Force and Motion 2. 2. 1 1. FORCE AND MOTION ANALYSING LINEAR MOTION Types of physical quantity: has only a magnitude (i) Scalar quantity: …………………………………………………………………. has both magnitude and direction (ii) Vector quantity: ………………………………………………………………… The difference between distance and displacement: length of the path taken (i) Distance: ………………………………………………………………………… distance of an object from a point in a certain direction (ii) Displacement: …………………………………………………………………… Distance always longer than displacement.Example: The following diagram shows…...
Black Holes Research and Report
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To understand a black hole, you must first have an understanding of gravity in space. Imagine yourself on a trampoline; you make an indentation in the trampoline fabric. If someone was to roll a ball past you on the trampoline, it would begin to spiral towards you, down into the indent you have made. This is very similar to the way gravity works in space and time. The 'fabric of spacetime' is an imaginary mesh running through space (see right)…...
Black HolesGravityPhysicsResearch
The aim of this experiment is to investigation of gravity by sample pendulum affects the time for complete swings
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A pendulum is a device which consists of an object suspended from a fixed point that swings back and forth under the influence of gravity. This effect is known as gravitation. However simple it may seem, this structure is very beneficial in our everyday life for it is used in several kinds of mechanical devices such as the all popular grandfather clocks. In addition to this, a pendulum could determine the local acceleration of gravity. This is the case, as…...
Physics of Volleyball
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Physics is the study of energy and how it is transferred from one particle to another. There is certainly a lot of energy transferred between objects and players in the sport of volleyball. A few of the concepts of physics that take place during volleyball include gravity, displacement, velocity, acceleration, projectile motion, and force. These concepts are displayed throughout the different positions on the court. There are three main aspects of volleyball that include physics, the first one being displacement.…...
The Science of Energy
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The cosmological model that incorporates all of the available data from different measurement techniques, like the CMB, supernovae, baryon acoustic oscillations, etc. is called the _____________ model. Concordance someday out sun will explode in a supernova false four characteristics of electromagnetic waves are amplitude, frequency, wavelength, speed as you move closer to an object iTS Angular size gets bigger the reason a good place for telescope is above earth atmosphere is bc theyre closer to the stars false in order…...
AstronomyBlack HolesGravityScienceSolar SystemSun
To Determine the Acceleration of Gravity in a Free Fall Experiment
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METHOD The experiment is carried out using the apparatus, as set up above. The switch is used to open and close one circuit at a time. The distance for the ball to fall is measured between the ball and the trapdoor with a ruler; a set square is used to see where the ball coincides with the ruler, making it a more accurate measurement. Adjusting the height of the trapdoor can change the distance. When circuit A is closed the…...
ExperimentGravityMedha PatkarTime
The Life and Influences of Albert Einstein
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Sometimes in history, ironically, the greatest contributions to society come from the most inconceivable places. Undoubtedly, Albert Einstein contributed not only innovative thought to his time, but also aided in revolutionizing science especially in physics. His efforts, however, would not have been expected by historians if only his childhood was examined. Einstein was born March 14, 1879 to Herman and Pauline Einstein. Albert was the first child born to this young, Jewish couple. After a year, the couple moved to…...
Albert EinsteinEnergyGravityInfluenceLifeLight
Weightlessness Takes Place
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Weightlessness takes place in a free-fall motion. When in free-fall, only the force of gravity (downward force) act upon the object, the object’s weight doesn’t drop but instead, appears to lose as the object fall freely. Newton’s third law states that, ‘for every action, there is an opposite, but equal reaction. ’ Two forces are interacting within each other to equalize its effects. The principle in centripetal force and ballistic trajectory applies in explaining weightlessness / free-fall motion. Effects of…...
AstronautGravityPlaceRoller Coaster
Albert Einstein as Father of Modern Physics and Isaac Newton as Father of Classical Physics
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Newton was known as a natural philosopher during his life but his theories of motion, gravity, light, etc formed the cornerstone of what would become known as physics. He probably contributed more to the science than any single person before or after him. Newton's 1687 publication of the Principia is considered to be among the most influential books in the history of science, laying the groundwork for most of classical mechanics. In this work, Newton described universal gravitation and the…...
Albert EinsteinGravityIsaac NewtonMotionPhysics
Dark Matter and Dark Energy
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It is the intent of this paper to introduce the relatively recent theories of dark matter and dark energy and their relation to each other. These theories explain the observed increase in expansion rate of the Universe as well as explain why galaxies remain intact despite the apparent lack of sufficient mass to affect the gravitational forces needed for cohesion, especially when considering that galaxies rotate at speeds that should disperse their stellar composition away from its core. Dark Matter…...
Black HolesEnergyForceGravityUniverse
What is Projectile Motion?
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Introduction In this lab the main focus was projectile motion. A projectile is an object flying through the air that is only under the force of gravity (neglecting air resistance). A projectile moves both horizontally and vertically, which creates a parabolic flight path. In vertical projectile motion there is a constant velocity since there are no forces in the horizontal direction (neglecting drag due to air resistance). Consequently, there is no acceleration in horizontal projectile motion. In vertical projectile motion…...
Dark Energy, Dark Matter
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In the early 1990's, one thing was fairly certain about the expansion of the Universe. It might have enough energy density to stop its expansion and recollapse, it might have so little energy density that it would never stop expanding, but gravity was certain to slow the expansion as time went on. Granted, the slowing had not been observed, but, theoretically, the Universe had to slow. The Universe is full of matter and the attractive force of gravity pulls all…...
Physics, Gravity and Motion of A Projectile
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A projectile is an object upon which the only force acting is gravity. Many projectiles not only undergo a vertical motion, but also undergo a horizontal motion. That is, as they move upward or downward they are also moving horizontally. There are the two components of the projectile's motion - horizontal and vertical motion. And since perpendicular components of motion are independent of each other, these two components of motion can be discussed separately. The goal of this part of…...
Life Without Gravity
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In a world without gravity, one would be weightless, but always nauseous. Because of this, it would be very difficult to complete a lot of your daily activities without throwing up. If you tried to eat something while you and your food are floating around, you will probably have a lot of trouble trying to hold your food down. In 0-g, life would be very hard. Roller coasters are a perfect example of this. I do not do well on…...
How gravity works?
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"Gravity is a force of attraction that exists between any two masses, any two bodies, any two particles. Gravity is not just the attraction between objects and the Earth. It is the attraction that exists between all objects". (NASA gravity 2000) Gravity is a very essential part of life on earth. We are in the exact position in the sun's gravitational field to keep us in orbit and keep life ongoing on our planet. Gravity is a downward force on…...
GravityIsaac NewtonWork
Center of gravity
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The point in a body or system of bodies at which the whole mass may be considered as concentrated. When an object’s weight is distributed uniformly, the center of gravity lies at its geometrical center. For irregular shaped objects, the center of gravity is near to the concentration of its mass. Equation: Where: X= center of gravity xi= distance of the objects from fulcrum or arbitrary axis mi= mass of the object Sample Problems Suppose your lab partner has a…...
Acceleration Due to Gravity in Physics
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The acceleration due to gravity, g, was determined by dropping a metal bearing and measuring the free-fall time with a pendulum of known period. The measured value is 9.706 m/s2 with a standard deviation of 0.0317, which does not fall within the range of known terrestrial values. Centrifugal forces and altitude variations cannot account for the discrepancy. The calculation is very sensitive to the measured drop time, making it the likely source of error. Theory The acceleration due to gravity…...
Symbolism In English literature–“Gravity”
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Symbolism is a good tool to use when we come across difficult abstract concepts such as life and death.For example, in her article entitled “Gravity”, David Leavitt tells us a story about how a mom named Sylvia encourages her HIV infected son Theo to live longer. When Theo started to have bad eye sight in his childhood Sylvia just let him wear her flamboyant glasses despite that people around them all think that Theo looks strange. After Theo grew up,…...
Projectile Motion Lab Report
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Background Velocity is constant at 9.8 m/s2 due to the fact that of the force of gravity. For experiment 1 the velocity will be calculated by determining "x" and "y" and using the combined x & & y equations to solve for Vo. Vo= x ⌠ g/2y. For experiment 2 the range equation for distance x= R is applicable considering that the launch and landing elevations are the very same. R=( Vo2sin2ᶿ)/ g Goal The objective of experiment one is…...
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FAQ about Gravity

Investigation of the Factors Affecting the Rate at Which an Object Falls 
...Another error which may have occurred is the accuracy in timing. The heights were too small, thus to time accurately would be very difficult in such a low height (because the time is so less that it would be difficult to time using a stopwatch). To a...
Investigating how far a car travels after rolling down a slope
...If I would do the experiments again I would further my investigations by perhaps studying the effect of different surfaces for the vehicle to travel over, also I would do this experiment again to try and confirm that the results that I gathered were ...
What is Projectile Motion?
...Projectile motion is also used in simple devices, such as water fountains or leisure activities such as roller coasters. Many times in roller coasters, after taking the riders up the first hill, they are then free to move by gravity, thus becoming a ...
How gravity works?
...Gravity is an essential to life. It is also one of the four key physical forces which are, Gravity, Electromagnitivity, Strong Nuclear Force and Weak Nuclear Force (Physics for a Modern World 1986). It controls a lot of things here on earth like tide...

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