网球上为什么带绒毛? episode artwork

EPISODE · May 24, 2023 · 0 MIN

网球上为什么带绒毛?

from 冷门知识 | 丰富你的知识储备

网球的球体由橡胶和若干种合成材料制成。用来使球面变得毛茸茸的是一种用羊毛和尼龙织成的绒毛布。在粘上绒毛布之前,球体的表面又硬又滑,球受击后,球速极快。给网球加上绒毛,则可以减慢球速。球面布满绒毛后,网球受到的风阻加大,不仅反弹力减弱,球速也会减慢。给网球加上绒毛,还可以增加球拍对球的控制力。球每次接触球拍,球拍上的网线会将球扣住片刻,同时球会压缩。如果球的表面硬而光滑,球通常会立即从球拍反弹,使选手较难发挥球技。

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网球上为什么带绒毛?

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This episode was published on May 24, 2023.

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网球的球体由橡胶和若干种合成材料制成。用来使球面变得毛茸茸的是一种用羊毛和尼龙织成的绒毛布。在粘上绒毛布之前,球体的表面又硬又滑,球受击后,球速极快。给网球加上绒毛,则可以减慢球速。球面布满绒毛后,网球受到的风阻加大,不仅反弹力减弱,球速也会减慢。给网球加上绒毛,还可以增加球拍对球的控制力。球每次接触球拍,球拍上的网线会将球扣住片刻,同时球会压缩。如果球的表面硬而光滑,球通常会立即从球拍反弹,使选手较难发挥球技。

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