為何發切球用拍面上下半部會不同? - 桌球

By Ophelia
at 2020-03-12T07:29
at 2020-03-12T07:29
Table of Contents
前陣子看一部影片,裡頭說發切球時
用球拍下半部觸球會比較旋
用球拍上半部觸球就沒那麼旋
可以練出相同的發球姿勢混亂對手
但是明明ab兩點都在空間上同一平面
如果說物理上力矩不同,應該頂多差5%
或觸球時揮動球拍切速不同,也應該差別不大
有什麼因素會造成碰多磨少的現象嗎?
還是對球的二跳或過網高度有影響,綜合起來的結果?
請教各位大大,感謝
--
用球拍下半部觸球會比較旋
用球拍上半部觸球就沒那麼旋
可以練出相同的發球姿勢混亂對手
但是明明ab兩點都在空間上同一平面
如果說物理上力矩不同,應該頂多差5%
或觸球時揮動球拍切速不同,也應該差別不大
有什麼因素會造成碰多磨少的現象嗎?
還是對球的二跳或過網高度有影響,綜合起來的結果?
請教各位大大,感謝
--
Tags:
桌球
All Comments

By Joe
at 2020-03-13T14:19
at 2020-03-13T14:19

By Kama
at 2020-03-15T00:26
at 2020-03-15T00:26

By Linda
at 2020-03-17T17:58
at 2020-03-17T17:58
等等之類的因素 沒辦法用很簡單的高中物理去看

By Yedda
at 2020-03-18T02:18
at 2020-03-18T02:18
比方你怎麼用你文中講的東西去解釋甜區?

By Selena
at 2020-03-18T15:19
at 2020-03-18T15:19

By Anonymous
at 2020-03-19T19:29
at 2020-03-19T19:29
"球在球拍/手/身體的重心前方還是後方" 而且b點擊球
比較好控 所以摩擦的效果會比較好

By Catherine
at 2020-03-23T02:16
at 2020-03-23T02:16
的碰撞很複雜

By Regina
at 2020-03-26T01:11
at 2020-03-26T01:11

By Olivia
at 2020-03-29T08:51
at 2020-03-29T08:51

By Quanna
at 2020-03-30T08:35
at 2020-03-30T08:35
B點稍微更靠拍頭(遠離拍柄)一些

By Necoo
at 2020-03-30T21:41
at 2020-03-30T21:41
已。整把握緊用砍的,我砍哪個點都麻轉。

By Sarah
at 2020-04-02T13:10
at 2020-04-02T13:10

By Adele
at 2020-04-05T08:54
at 2020-04-05T08:54

By Donna
at 2020-04-08T05:52
at 2020-04-08T05:52

By Hedy
at 2020-04-08T07:57
at 2020-04-08T07:57

By Quanna
at 2020-04-12T12:20
at 2020-04-12T12:20
哪來的距離

By Caitlin
at 2020-04-15T06:20
at 2020-04-15T06:20

By Odelette
at 2020-04-17T07:54
at 2020-04-17T07:54
球出去不沉,

By Emily
at 2020-04-18T03:49
at 2020-04-18T03:49

By Todd Johnson
at 2020-04-18T14:18
at 2020-04-18T14:18

By Zenobia
at 2020-04-21T07:38
at 2020-04-21T07:38

By Agnes
at 2020-04-22T20:37
at 2020-04-22T20:37

By Rebecca
at 2020-04-27T15:03
at 2020-04-27T15:03
請想像推10片跟推2片會回彈的骨牌所回饋的側向支撐力

By Daph Bay
at 2020-05-01T18:32
at 2020-05-01T18:32

By Elma
at 2020-05-06T12:17
at 2020-05-06T12:17
反作用力影響,大家把膠皮的上面三分之二裁掉就知道,只
留下半部發切球,包球發法會撞到木板, 點撞發法沉度會
降低

By Daniel
at 2020-05-10T19:12
at 2020-05-10T19:12

By Skylar Davis
at 2020-05-14T05:00
at 2020-05-14T05:00
不然你就連擊犯規直接送分

By Ingrid
at 2020-05-17T14:35
at 2020-05-17T14:35
我真的覺得太多人沒有基本的物理概念了

By Poppy
at 2020-05-22T10:56
at 2020-05-22T10:56
說不定球碰到球拍的變形都還比移動距離大

By Christine
at 2020-05-23T21:38
at 2020-05-23T21:38

By Agatha
at 2020-05-27T13:36
at 2020-05-27T13:36

By Wallis
at 2020-05-28T23:17
at 2020-05-28T23:17

By Oscar
at 2020-06-02T19:53
at 2020-06-02T19:53
b點較不旋?也是可以欺敵

By Heather
at 2020-06-03T15:30
at 2020-06-03T15:30
https://i.imgur.com/BFNlm2T.jpg

By Isla
at 2020-06-04T23:40
at 2020-06-04T23:40

By Callum
at 2020-06-09T09:59
at 2020-06-09T09:59
角下幾乎就只是一個點而已

By Jessica
at 2020-06-12T04:44
at 2020-06-12T04:44
有摩擦的感覺

By Carol
at 2020-06-12T11:52
at 2020-06-12T11:52

By Harry
at 2020-06-15T03:08
at 2020-06-15T03:08
要看你的逆旋要發的是哪種效果

By John
at 2020-06-19T05:09
at 2020-06-19T05:09

By Michael
at 2020-06-21T23:33
at 2020-06-21T23:33
打下方

By Andy
at 2020-06-22T02:50
at 2020-06-22T02:50

By Andrew
at 2020-06-24T01:15
at 2020-06-24T01:15

By Thomas
at 2020-06-26T22:57
at 2020-06-26T22:57

By Lydia
at 2020-06-28T14:22
at 2020-06-28T14:22

By Harry
at 2020-07-01T20:14
at 2020-07-01T20:14

By Charlie
at 2020-07-02T04:51
at 2020-07-02T04:51

By Susan
at 2020-07-05T02:28
at 2020-07-05T02:28
下墜的力量,如果拍面陡一點,可以多一個向前咬進海
綿的力量,基本上磨擦力正比於觸點的正向力,所以平
切不一定比斜切(切+撞)轉,只是平切出去的球比較空,
對方也比較難借力以撞破轉

By Kama
at 2020-07-07T13:05
at 2020-07-07T13:05
,磨在前緣相對好發力也比較安全 (想用力磨後緣感覺就
很容易揮空一定會留力....為了避免揮空只好拍面立一
些變撞出去……)

By Jacob
at 2020-07-08T04:58
at 2020-07-08T04:58

By Edith
at 2020-07-08T10:23
at 2020-07-08T10:23
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