Why bullet when fired makes hole in window but when we throw stone it breaks it into pieces.
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Hi___________
hope u aware about the force.
do u know about'' impulse''
impulse= force x time
There's something called the "Impact" or "Impulse" factor basically a measure of force multiplied by the time of application of force A bullet has very less impulse factor due to its time of contact, but has enough momentum to break the glass. A stone on the other hand has huge momentum and has enough contact time with the glass for its force to be spread around the glass from its point of contact, thereby shattering it starting from the point of contact.
Try the exact same thing with a small stone, it doesn't happen due to less momentum but you maybe able to see cracks from the point of contact, due to the spread of the impact force.
Example : Easier to cut a piece of a fruit with a knife than a spoon . Also please note, it again depends on the kind of glass as well.
Examples : Hope U play cricket ,any time u think why u pull ur hand down when u catch a ball?
u r doing only for increase ''Impulse ''
hope it help u
hope u aware about the force.
do u know about'' impulse''
impulse= force x time
There's something called the "Impact" or "Impulse" factor basically a measure of force multiplied by the time of application of force A bullet has very less impulse factor due to its time of contact, but has enough momentum to break the glass. A stone on the other hand has huge momentum and has enough contact time with the glass for its force to be spread around the glass from its point of contact, thereby shattering it starting from the point of contact.
Try the exact same thing with a small stone, it doesn't happen due to less momentum but you maybe able to see cracks from the point of contact, due to the spread of the impact force.
Example : Easier to cut a piece of a fruit with a knife than a spoon . Also please note, it again depends on the kind of glass as well.
Examples : Hope U play cricket ,any time u think why u pull ur hand down when u catch a ball?
u r doing only for increase ''Impulse ''
hope it help u
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