Friction Essay Examples

Essays on Friction

Aim To determine the coefficient of static friction
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Pages • 2
In this experiment, the coefficient of static friction (s) between a wooden block and granite plane was determined. The coefficient of static friction (s) between the wooden block and granite plane was found to be 0.396 0.0001. The experiment was rather precise as the readings were quite close to the line of best fit when the readings were represented graphically. However, there certainly are sources of error in the experiment. Sources of Error 1. Uncertainty in the triple beam balance…...
The kinetic friction
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1. The roughness of the surface of the objects and the plane/track used in the experiment should be in even condition. Meaning the experimenter should check the roughness by touching the surfaces. For instance, in this experiment, a piece of sand paper is wrapped to the wooden block (to investigate the coefficient of the sand paper surface due to the plane surface which is wood). The sand paper should be the one that has not been used before. This is…...
Physics Experiment
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Prediction: I think that as the weight increases, so too will the friction. The static friction is the amount of force needed to move an object. Therefore, if pulling on a block of wood with a force of 0.3N moves the block, this is its static friction. The sliding friction is the amount of force needed to keep an object moving at a constant speed. Both of these increases if there is more weight as there will be more friction…...
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Investigation into factors affecting the speed of a car rolling down a ramp
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Pages • 18
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…...
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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…...
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…...
To investigate how the weight of an object affects the force required to overcome friction
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Pages • 19
Friction, in mechanics, is the resistance to the sliding, rolling, or flowing motion of a body in relation to another body with which it is in contact. In any solid the molecules show internal friction. This form of friction is the force that causes any oscillating object, such as a piano string or a tuning fork, to stop oscillating. Internal friction in liquids and gases is called viscosity. There is also external friction and there are two kinds of this,…...
Factors that affect range of catapult
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A catapult is a mechanical device that can be used to throw or hurl different objects to a great distance depending on the amount of force used. In this test a catapult is used to push a box on a cement floor and the aim is to test one factor that affects the range. For this purpose a catapult model shown in Figure 1 is used together with a 236 gram box with four rectangular shaped sides where each side…...
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How does the viscousity
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Viscosity is a measure of a fluid's resistance to flow when acted upon by an external force such as a pressure differential or gravity. Viscosity is a general property of all fluids, which includes both liquids and gases. It describes the internal friction of a moving fluid. A fluid with large viscosity resists motion because its molecular makeup gives it a lot of internal friction. A fluid with low viscosity flows easily because its molecular makeup results in very little…...
The Importance of Physics in Sports
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Everything from kicking a ball into a goal to running from one side to the other side of the field is based on physics. Physics plays a key role in sports; it can impact on a player either positively or even negatively. Gravity, friction, motion and projectile affects sport in every aspect. How physics affects Sports No matter how hard or high you kick a ball as a result of gravity it will be pulled back down to earth. Although…...
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Physics Investigation- Stopping Distance
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In my investigation I intend to gather enough evidence and explanation to see if and how the mass of a ball will affect its stopping distance. I will carry out a series of tests starting with changing the mass of the ball then changing height which it's dropped from. Predictions I predict that the mass of a ball will most defiantly affect the distance it takes to stop because as the mass increases, the amount of friction with the surface…...
Reviewing Friction: An Ethnography of Global Connection
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Starting with a critical outline of the global patterns and designs in communication, Anna Lowenhaupt Tsing’s seminal work Friction: An Ethnography of Global Connection attempts at a critical examination of the widespread principle of worldwide associations lingering almost everywhere. While Tsing explicates that her work "is not a history of philosophy but rather an ethnography of global connection (Tsing, 2004, p. 1)", she also unravels a tight regard for the seemingly presented connections among the various sections of the society.…...
A Continuous Motion Device
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Physicists say that it is difficult to produce a continuous motion device, a machine whose own activity keeps it running constantly. What energy principle prevents the possibility of a perpetual motion device? One concept in physics that is appropriate in this case is the Law of Preservation of Energy. The theory basically states that energy can neither be developed nor ruined however modifications from one state to another. This essentially presumes that the quantity of energy that exists in deep…...
Biomechanical Principles In Basketball
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Basketball is a very competitive and popular sport in our society today. The NBA playoffs are going on right now and it has proved to be a very physical and intense post season. This sport takes an extreme amount of talent, coordination, and athletic ability to become a champion. There are a few biomechanical principles that are present during the game of basketball that help these athletes become great. The first biomechanical principle that is present in basketball is Newton’s…...
A World Without Friction
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Pages • 3
Although friction may seem like a minor issue, its absence would chance life as we know it. There would be many negative effects of this like not being able to gain traction on any surface and your ipods earplugs always falling out. Also, there would be many positive effects, such as eliminating the need for coolant in engines and lubricant in machines. Moreover, the absence of friction would be both bad and good. Without friction, many obvious things which we…...
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Frictional loss in pipe
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Abstract The main aim of this experiment was to show how the friction factor varies with Reynolds number by manipulating the flow rate of the fluid in a pipe. The main principle used in the experiment was the Bernoulli’s equation, taking major head losses into account. These major head losses were normally due to wall friction in the pipe and viscous forces between layers in a fluid. Generally the results obtain from the experiment do agree with the theoretical prediction…...
History of Matches
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A match is a little stick of wood or strip of cardboard with a strengthened mixture of flammable chemicals deposited on one end. When that end is struck on a rough surface area, the friction generates enough heat to spark the chemicals and produce a little flame. Some matches, called strike-anywhere matches, may be sparked by striking them on any rough surface. Other matches, called safety matches, will spark just when they are struck on a special rough surface area…...
Friction Lab
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Discussion and Review Whenever a body slides along another body a resisting force is called into play that is known as friction. This is a very important force and serves many useful purposes. A person could not walk without friction, nor could a car propel itself along a highway without the friction between the tires and the road surface. On the other hand, friction is very wasteful. It reduces the efficiency of machines because work must be done to overcome…...
Uniform Rectilinear Motion
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Abstract The purpose of this experiment, was to prove the concept of the uniform linear motion by using an air track. With this, we demonstrated the impulse and change in momentum, the conservation of energy and the linear motion. We basically learnt to calculate the distance/time, acceleration/time, and velocity/time and graph it. The air track is also used to study collisions, both elastic and inelastic. Since there is very little energy lost through friction it is easy to demonstrate how…...
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FAQ about Friction

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 ...
To investigate how the weight of an object affects the force required to overcome friction
...Once this has been found, the coefficient of static friction can be found for wood on this particular surface as well. For dynamic friction, the experiment is carried out in almost the same way with the exception that the block is given a slight push...
How does the viscousity
...Another source of error is the acceleration that occurs between the ball being dropped and it hitting the liquid. If the experiment was to be extended, the size of the ball bearing could be varied and the temperature kept constant, this could elimina...
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