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Cricket has been one of the worlds most popular sports since the late 1800 s when Australia played England in the first ashes series. The game has come along way since then but the fundamentals of the game have not Everyone can enjoy a game of cricket without having to involved in Cricket is quite a simple game in theory, the central action of the game takes place between the batsman, who stands behind the popping crease, and the bowler, who delivers the ball from the opposite end of the pitch, bowling from the area between the return creases while keeping the front foot on or behind the popping crease. (Refer to the diagram on page i. ) The complexities of cricket begin when professionals are concerned. For the best bowlers in the world, pitching the ball in the exact spot they want to the batsmen finding the gaps in the field. For your common Sunday afternoon cricketers, these aspects are not of the same importance. However it is not as easy as it looks to bowl a The underlying principles of cricket rely on dynamics and kinetics, both physical sciences that involve the study of movement. The purpose of this assignment was to investigate the physics involved in cricket, and show that cricket, a team sport anyone can enjoy, is The subject used in the experiment, was an ordinary person, of little cricket background.
The equipment used was of your ordinary backyard standard. All these factors contribute to the fact that there is a simplicity to cricket and that anyone can play it as well as enjoy it. To become the next Dennis Lille or Sir Donald Bradman, in the game of cricket would take years, and for some players divine intervention. For the purpose of my experiment only the bowling action (excluding spin bowling) will be taken into account to show that an ordinary bowler can become a good bowler, if not a perfect bowler with just a few minor The experiment I will conduct will address the possibilities and practicalities of the perfect delivery.
The two areas which I will investigate are the run up before the ball is delivered and the releasing of The results of the experiment will prove to you, that anyone can bowl a ball in a game of cricket. By the end of the experiment, a person who either could not bowl on the pitch or perhaps has never played before will be on their way to the next cricket World Cup! The bowl will be practical because of the naturalistic way in which the body moves. The basic rules of levers will apply, in that the arm must be fully extended for maximum force, and therefore maximum velocity will result. The run up before the bowl, too, is an integral part of the delivery. For maximum results the run up has to be just long enough so you can gain enough momentum and be balanced for the delivery.
These factors are quite simple will only take a matter of practice you bowl the perfect Aim: To investigate the possibility, and practicality of a perfect bowl based on the principles of kinetics and dynamics. Let the person bowl how they normally would without any instructions. Record the height when they release the ball, and indicate where it landed. Repeat, still recording observations 12 times which is equivalent to two Observe and record the other major points in the delivery. Now instruct the bowler to practice a run up, so that the run up is smooth and effective. Extend your arm and your body so there is maximum leverage. (see page 7 for exact) Observe and record the results.
The Instructions given to my subject Make your run up long enough to gather pace and momentum Aim the ball between 2. 5 metres short of the stumps and the popping Aim the ball at off stump (see diagram on page i) This is very important in the bowling of a ball. There is no set distance for the run up. The person bowling has to trial different distances until comfortable. The reason for the run up is to gather momentum and bowl while you are moving to generate more speed. It is not a case of if you run faster, you bowl faster. The bowler needs to be in control just before The arm must be fully extended and almost perpendicular to the ground.
Research has shown that the arm should be just past perpendicular as shown in the diagrams on the next page. The arm must be fully extended to take full advantage of the longest lever possible. The higher the ball is released the faster your arm is moving at release. The diagram on the next page is the perfect bowl. This diagram is based on the fact the maximum height reached is 2. 5 metres. The alert reader would have noticed that there has been no account for any resistance, whether it be wind, or the actual release from the hand.
It is not as necessary as it may seem, as the resistances encounter by the ball and the bowler is beyond the control of the player. Measuring the heights was inaccurate, but the exactness was not crucial. The photography was also subject to error therefore some of the photos were taken while the subject was still. Calculations made in working the angle for the most efficient delivery were rounded to two decimal places and therefore are possibly not as All other parts to the experiment were observatory, and so, errors do not Improvements that could be made to the design and the execution of this experiment include the use of a height chart, freeze frame photography, The addition of these factors would undoubtedly increase the complexity of the assignment, but the results would be based on much more of a quantitative result, rather than the qualitative results of the presently The principles used in this assignment all stem from discoveries of scientists such as Nicholas Copernicus and Sir Isaac Newton. The inference made was that gravitation force is dependent on two variables - This statement and other principles are evidenced by the equations of motion concerning gravity: s = 0. 5 gt 2 This particular equation which is dealt with in this experiment is first, s = 0. 5 gt 2; This equation is used in calculating the angle of projection of The angle at which to bowl the perfect delivery was calculated using trigonometry and the dimensions of the cricket pitch. It was also indicated that a straight line path took less time to travel to the ground than a parabolic path beginning at the same height.
Bowling the ball up at an angle would increase the range, and therefore increasing the time in flight. Bowling the ball at a downwards angle would decrease the range and therefore decreasing the time of flight. If the range is as small as possible (that is 2. 5 m before the stumps), is advantageous if the bowling velocity is quick, As this gives the batsmen limited time to react to the ball, as small range and fast velocity means In demonstrating the principles of kinetics and dynamics, it was discovered that the most advantageous way of bowling was to release the ball at maximum height just past perpendicular to the ground. In cricket, the arm has to be as straight as possible or it is classed as a throw.
Therefore it has been inferred that the arm should be as straight as possible to allow for longer extension and therefore greater leverage. The longer the lever, the more force pushed downwards. In this particular area, cricket, the more force applied means greater velocity and subsequently, less flight time, which then becomes a more difficult ball to In summation, it can be said that the perfect delivery consists in the judging of the run up, precision in the angle released and a large velocity. All these factors allow for a delivery that is most desirable for the bowler in a game of cricket. The nature of these actions suggests that practice becomes the next essential, which answers the original question that the perfect delivery is practicable and possible.
Brown, Marion R, and House, Sara Jane; Patterns of Muscular Activity in Selected Sports Skills, Springfield, 1982 Lasford, L. , The Science of Movement, Samson, Low, London, 1966 Ranking, G. , Senior Physics, Oxford University Press Australia, 1997 Microsoft Encarta, [online] available: web Numerous people have helped in preparation and implementation of this assignment. First and foremost I would like to acknowledge the encouragement of Dr Hanley who allowed me to perform the assignment. Secondly I would like to thank Kacey Sinardi for her help in using the university library and her guidance in directing me to books and websites. Simon Maggio ra my inexperienced cricketer should definitely thanked for his vital contribution to the most important part of the assignment, the 10 / 7 / 00 - I began my research for my assignment, Fundamentals of Cricket: Bowling. I travelled to Townsville to use the research facilities available through JCU. (3. hours) 17 / 7 / 00 - I began to piece out my assignment and plan the setup. (1 hour) 4 / 8 / 00 - I designed my experiment entirely, and wrote it up.
First I decided on a hypothesis, and then I completed the experiment using the titles: aim materials, procedure, results, discussion and conclusion. 14 / 8 / 00 - Today I undertook the physical side of the experiment. Simon and I went to Victoria Mills cricket nets. His deliveries were photographed, and observed, and results were recorded in the results 24 / 8 / 00 - The experiment was typed up on the computer. As well as the main headings covered, I wrote a page on the theories involved in the principles and conventions used in the experiment. (3 hours) 2 / 9 / 00 - I finished the assignment completely and printed out the Total time spent 14 hours Bibliography:
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Research essay sample on Arm Must Be Fully Extended Arm Must Be Fully Cricket
