• Why does the ball bounce? Tips for stopping and receiving the ball from football players

    30.10.2023

    Every football player must be able to stop passes in order to receive and master the ball. This is important in order to reduce the speed of a flying or rolling projectile and be able to carry out further actions. Stopping the ball often also means handling or receiving the ball, since the player not only receives the ball, but also adapts it to perform further actions.

    In football, it is important to stop the ball as quickly as possible and fully comply with the game situation. When stopping the ball, it is important not just to receive the ball, but, if possible, to disorient the opponent, depriving him of the opportunity to predict your actions on the field. You can stop different balls: those that are rolling, those that have bounced off the ground, those that are flying towards you. You can perform the ball reception with different parts of the body (legs, head, chest).

    How can you stop the ball?

    There are many ways and options for stopping and receiving a soccer ball. Here are a few of the most common:

    • Stopping in mid-air;
    • Stopping followed by dribbling and striking at goal;
    • Stopping with further transfer of the ball;
    • Stop with a turn;
    • Rolling back the ball under attack;
    • Stopping with the chest and moving the ball to the side to perform a strike;
    • Transferring a ball that was passed between the legs;
    • Stop followed by a volley;
    • Transferring the ball from the head to the instep.

    How to properly stop a ball with your foot

    Most often, football players stop the ball with their feet. This technique is performed in several stages. At the preparatory stage, the football player must take a good starting position. The pose should be free, the body weight should be shifted to the supporting leg, which can be slightly bent to achieve maximum stability. The stopping foot must be sent towards the approaching ball.

    The working phase involves performing a shock-absorbing movement with the stopping leg, which should be somewhat relaxed at the moment of contact with the ball. Depending on the speed of the ball, the shock absorption path may be different. If the ball is approaching at low speed, then it can be stopped without a yielding movement.

    In the final phase, the player takes the starting position to continue moving with the ball and perform the intended actions.

    Stopping the ball with the inside of the foot

    A very common method of receiving the ball, allowing you to handle both flying and rolling balls. Due to the fact that the ball is received by a fairly large surface, this method of stopping is quite reliable and simple.

    To stop the ball with the inside of your foot, you should turn to face the approaching projectile, bend your supporting leg and shift your body weight to it. The stopping leg must be brought out towards the ball. The toe should be raised slightly and the foot should be turned outward 90 degrees.

    How to learn to accept a rolling ball with the inside of your foot

    1. Performing simulation exercises without using a ball;
    2. Stopping a ball thrown towards you by a partner;
    3. Stopping the ball in motion (on the move, on the run);
    4. Stopping a ball that is rolling from different directions at different speeds.

    The most common mistakes when stopping the ball

    • The stopping leg is very tense;
    • Late or premature contact of the ball with the stopping foot;
    • Contact with the ball does not occur with the full inner side of the foot, but only with a small part of it;
    • Lack of eye contact with the ball.

    How to learn to stop the ball with the mid-rise

    1. Simulation of performing an exercise without a ball;
    2. Performing leg swings of small amplitude with the ball on the instep of the foot;
    3. Stopping balls thrown by a teammate after they bounce off the ground;
    4. Stopping a ball sent by a partner in the air;
    5. Performing similar exercises in motion (running, walking).

    Sequence of learning to stop the ball with your shin

    1. Simulation of an exercise without a ball;
    2. Stopping the ball thrown by a partner after the second bounce from the ground;
    3. Stopping the ball after the first bounce from the ground;
    4. Stopping the ball in motion (first while walking, then while running).

    Sequence of learning to stop the ball with your hip

    1. Simulation of movement without the ball;
    2. Stopping a self-thrown ball with your hip;
    3. Stopping a ball that was thrown by a partner with the thigh;
    4. Perform similar exercises in motion.

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    Here is a good way to ensure that children behave relaxed and at ease, while remaining under the control of adults. Invite the children to use their imagination by imagining themselves as one of the inanimate objects they see in front of them. Start with, say, a hair tie: first pull the elastic, then let it return to its original shape, stretch it hard, throw it in the air and let it fall. Let the children try to imitate the movements of the rubber band.

    Then you can move on to a ball, a wind-up toy, a ball of rope, etc. If, after playing for a while, their energy has not diminished, invite them to come up with what else they would like to become: rockets, robots, snowballs, sparklers, etc.

    Funny face

    To prepare for this game, first cut a large oval out of flannel. Glue it onto whatman paper or a large piece of thick dark paper. Draw hair around the oval and attach a bow tie at the bottom. Then cut out eyes, nose, ears and mouth from colorful flannel. If you wish, you can also cut out eyebrows, a pipe and a hat.

    Attach a piece of paper with a flannel oval to the wall at the child’s eye level. Take turns blindfolding the children and let them attach one part of their face to the oval. The flannel should stick to the flannel on its own, but if necessary, you can use loops of velcro tape on the back of the “face pieces.” The funny face that will result from this procedure will certainly cause a lot of laughter.

    When the game is over, leave this face hanging on the wall. Perhaps one of the children will want to continue the experiment.

    Or catch a jerk 112

    Ask your child to help you prepare for this game. Your child can cut out fish in the simplest shapes from multi-colored construction paper. Write a letter on each fish so that one or more simple words can be made from different letters on the fish. Attach a paper clip to each fish, and then put all the fish in a bucket.

    Now take a small twig or a suitable stick and attach a string with a small magnet at the end to one end. Let all the children take turns catching a fish, and you see if they can make words from the letters on the caught fish.

    Bubble

    Usually children's fun can be organized from what is at hand. But if you know in advance that you will be entertaining a group of children, go to a store that sells all sorts of things and buy a special jar for blowing soap bubbles. One such jar contains real magic - children's laughter and happiness.

    How to save soap

    An excited child with a full jar of soap suds in his hands may accidentally spill it out. Open all the jars and pour half of the liquid from each into a jug (or some other vessel). If the jar tips over, then all is not lost, and, besides, when the children finish their soapy fun, you can fill the jars for future use, for next time.

    Bubbles are especially great if you need to keep children of different ages occupied. Even teenagers enjoy them.

    Depending on what you blow into, bubbles of various sizes are formed. Very small bubbles fly out of plastic straws dipped into a soap solution. The lids of plastic jars with a hole in the middle blow out bigger bubbles. If the “tool” you choose is too large for a jar of foam, pour the soap solution into a bowl and put your “tool” in it, then take it out with tongs, shake it, and you will see how huge and rainbow-colored bubbles you get.

    Homemade lotto

    This game is good for any company. Playing it - whether with two children or ten - will give everyone the same amount of fun. Prepare several cards in advance. On each card, draw eight or nine squares and write in each of them a different letter (or number - from one to nine). All cards must be different. Then prepare many small cards with one of the letters or numbers printed in the squares of the large cards.

    Give each player eight or nine buttons, bottle caps, pieces of foil, or other small objects to use as counters. You or one of the children will be the leader. Take one of the small cards with a letter or number (of course, they should all be mixed and face down) and name it. If you want, you can pick it up and show it to the children. If they find the same letter or number on their square card, they will put it on 113

    this square is a button or anything else selected for this. The child who has covered all the squares shouts “Victory!” - He won.

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    Why does the ball bounce?

    Why does the ball bounce?

    The ball is one of humanity's most favorite toys. The oldest balls were found in Egypt. They are approximately 4000 years old. They were made of wood and could not bounce off the ground. American Indian balls are about 3,500 years old. They are made of rubber, and it was these toys that could bounce off a hard surface. Both the Egyptians and the Indians often had ritual games. The Egyptians played not for themselves, but for the gods represented by the team. Among the Indians, the loser was sacrificed to the gods. The ball has been known for a long time in many countries and everywhere had a similar structure - a leather shell with an elastic inner filling made of rags, wool, etc.

    The inflatable ball was invented by the ancient Greeks. Apparently it was not bouncy, but it was light. Christopher Columbus brought elastic rubber balls to Europe from America.

    At the beginning of the 19th century, the modern inflatable rubber ball was invented. Over time, it improved and specialized for a wide variety of games - football, volleyball, basketball, tennis.

    In all of these games, rebounding is very important. What determines how it turns out? This is a very difficult question from a mechanical point of view. Practice confirms this with an unusually large number of balls of different types, technologies for their manufacture, as well as all kinds of coating designs. Therefore, only a qualitative answer can be given.

    The rebound is characterized by duration of time and height. For example, according to these parameters, tennis grass, clay, hard and carpet courts differ so much that no player can play equally well on all of them.

    In order for the ball to bounce high, it is necessary that the ball does not give off energy when it hits the field surface. To do this, it must be less elastic than the coating and quite heavy. Moreover, the greater the ratio of the ball’s mass to its elasticity and the softer the surface, the slower the rebound.

    The elasticity of an inflatable ball mainly depends not on the properties of the shell material, but on the amount of air pressure inside it. In a soccer ball, the internal pressure is 1.6–1.7 atmospheres. To do this, the ball is inflated with a pump, and the referees check the pressure with a pressure gauge before the game. In a tennis ball, the internal pressure is 1.0–1.2 atmospheres. This pressure is created in it due to the fact that during manufacturing tablets of sodium nitrite and ammonium chloride are placed inside. When the preform is heated to vulcanize the rubber, these substances decompose, releasing nitrogen, and the pressure inside the ball increases.

    The elasticity of a table tennis ball is mainly determined by the elasticity of the shell, and not by the air pressure inside. Such a ball may bounce poorly from a thin table, as it will excite vibrations in it. For this reason, designers are very careful about the design of the table.

    Of course, when we watch football or tennis, we don’t think at all about how the ball bounces, but enjoy a good game. True, when the ball bounces poorly, a good game does not happen.

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    structural unit of the state budgetary educational institution of the Samara region secondary school "Educational Center" named after Hero of the Soviet Union Ivan Dmitrievich Vanichkin p. Alekseevka municipal district Alekseevsky Samara region - kindergarten "Firefly"

    DISTRICT CONFERENCE OF DESIGN AND RESEARCH WORKS OF STUDENTS

    PRIMARY CLASSES AND PUPILS OF STRUCTURAL DIVISIONS OF PRESCHOOL EDUCATION

    "I KNOW THE WORLD"

    SECTION “The world around us” (physics)
    “Why does the ball bounce?”
    Shiryakina Ekaterina Alekseevna,

    preparatory school student

    groups "Bear Cubs"

    Scientific adviser: Savenkova Lyudmila Viktorovna,

    physical education instructor

    first qualification category

    Neftegorsk, 2016

    INTRODUCTION

    During one of our physical education classes we learned how to dribble a ball correctly. I wondered why he was jumping. Physical education instructor Lyudmila Viktorovna offered to help me figure this out. This became the goal of my research. I consider my work relevant because it increases interest in the study of physics and is accessible to people of different ages, even those who do not have extensive knowledge in the field of technical sciences. Every person should have an understanding of the physical phenomena and laws that they directly encounter in everyday life from early childhood.

    Purpose of the research work: study of the properties of balls and their capabilities.

    Research objectives:

    1. study the history of the origin and transformation of the ball, its varieties;

    2. find out what is inside the ball;

    3. find out what sports games are played with a ball;

    4. conduct an experiment explaining why one ball is easily pushed off the floor, while the other

    hardly jumps;

    Research hypothesis:

    In order to actively use exercises with the ball in games and in classes to develop the eye, accuracy, reaction, coordination and speed of movements, you need to get acquainted with

    the origin of the ball, types of balls, their properties, as well as master a variety of

    game actions with different types of balls.

    Research methods:


    • Conversation with adults

    • Search and study of information

    • Excursion

    • Survey

    • Conducting experiments

    • Analysis of the results obtained

    MAIN PART

    In my research, Mom and Dad helped me answer a number of questions.

    Here's what we learned with them:


    • The first balls were made from leather, clay, stone and grass.

    • The balls were then made from wood, animal skin and stuffed with straw, moss and seeds.

    • In Russia, balls were woven from birch and willow bark.

    • The first rubber ball appeared in America.

    • Basketball “basket” is a basket, “ball” is a ball.

    • Variety of balls in the modern world.
    I asked Lyudmila Viktorovna what games are played with a ball? And she said that just tomorrow we are going to the new sports complex for a real basketball competition “KS Basket”, and you can see for yourself. (photo 1)

    I asked my friends in the group what ball games they know

    And this is what they answered:


    • Football – answered Anton Eremenko (photo 2)

    • Rugby – answered Sapozhnikov Vova (photo 3)

    • Volleyball – answered Savina Ksyusha (photo 4)

    Photo 2 photo3


    I decided to conduct experiments

    1. What is in the ball?

    First I pressed the ball and felt that it was not empty, there was something in it. Then we opened the valve and the air came out of the ball. Thus, I found out that there is air in the ball. (photo 5,6)

    Photo 5 photo 6



    2. Which ball bounces better?

    I took 4 balls - a basketball, a football, a volleyball and a regular ball.

    The basketballs and soccer balls were well inflated.

    The volleyball is slightly lowered, and the regular ball has no air at all.

    The basketball and soccer balls were bouncy and bounced very well. (photo 7,8)

    Photo 7 photo 8

    The deflated ball did not bounce at all, but the volleyball did, but it required a lot of effort. (photo 9,10)

    Photo 9 photo 10

    I managed to discover the secret of bouncing balls: the more air in them, the better they bounce.
    CONCLUSION

    In our work, we conducted an experiment that turned out to be clear and feasible for me. It turned out to be very interesting and unexpected. I found out that when the ball hits the floor, the air in it is compressed, and when the ball bounces, the air expands and pushes the ball away from the floor with force.

    This means that knowledge of the laws of physics is used not only in scientific research, but also in playing with a ball.

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