Things like Badminton rackets, Tennis rackets, golf clubs, softball bats and hockey sticks. I know its light and all but what are the other reasons why is it used as a stick to hit objects? Can someone give me a detailed answer? Edit: Is tensile strength an important factor to making these sticks if so why?
In: Engineering
To answer your edit that you asked again multiple times in the replies, tensile strength is important in that you don’t want your stick to break. Specifically, you don’t want it to break when flexed, and more strength means more force can be applied before breaking.
It’s not the tensile strength they’re really after with the carbon fiber though, it’s the stiffness. Stiffness in materials science refers to a material’s resistance to bending. If I have to put a lot of force to get a little bending, my material is stiff. This is really important for stuff like golf clubs and hockey sticks, because if my stick is really stiff, a little bit of flex absorbs a lot of force. When the flex is released (ie: when the ball or puck is hit), that force is transferred to the object, making it fly faster and further.
You can see how important that bending is in [videos like this](https://www.youtube.com/watch?v=Nz_4i1e6ppM). Carbon fiber is among the stiffest materials in the world (along with being lightweight and strong).
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