When is the side effect or english applied?

giulichajari

AzB Silver Member
Silver Member
my partner told me:

the engish is applied when the cue ball touch the rail, not after touching the objetc ball.

He mean that the tangent line is defined by the height you hit..

But in practice i note for example if i apply opposite effect the cue ball, it open the tangent line, is certain?
 
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