Protective gears: Importance of helmets | Newton's second law;
To constantly face the Music without an inch of doubt on one's face a batter must be well-equipped.Not just with skills but also with gears of safety and among all the threats that a better faces,the head is critical and helmet cruical .
All set to take a look at the helmet and the science that protects a batter.
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A delivery by virtue of its speed possesses momentum,notice when a high speed ball hits head,most of the ball momentum gets transferred to the head in a flash create a lethal impact and within the head ,the brain hits the skull giving rise to internal bleeding and cell demage To avoid this ,what if we provide a protective rigid shell.Notice the high speed ball now as it collides the shell absorbed the impact instead of the head but as the shell is in direct contact with the head,the absorbed impact is spread instantly across the area of the head causing concussion.
Concussion
In addition ,what if we introduce a layer of foam between the head and the shell. Now ,the foam takes the absorbed impact from the shell, reducing the momentum of the ball over a period of time nullifying the impact before it reaches the head . In other words ,the force of impact varies inversely with the time within which the impact occurs
This is Newton's second law of motion
The same principle protects the tortoise from external threats,and that's how the helmet protects a batter from the opposition's guiding missile of a delivery.
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A British batsman going by the name of Patsy Hendren was the first to walk to the pitch wearing protective head gear in 1933. His wife designed a three peaked hat with rubbing padding to protect him from bouncers and short balls. Post 1978, the helmet gained popularity amongst the cricketing fraternity.
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