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zyh
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curve ball problem, the spin axis will change?image updated!
HI, I encountered a problem about the curve ball (table tennis ball) flying in the air. See the pictures below.
A ball with an initial velocity V along X axis, and has a spin along Z axis. As far As I know ( see my previous post in The air drag problem... ) .
F1 is the air drag.
F2 is the gravity.
F3 is the magnus force( sometimes we call it lift force).
So, the ball will not travel directly through X axis, it will curve to left.
My question is : What about the spin axis? Will it shift from A1 to A2? ( A1 is the axis parallel to Z axis as the initial state )? If Yes, How can I estimate the angle between A1 and A2?
Any suggestion is appreciated. Thank you very much.
HI, I encountered a problem about the curve ball (table tennis ball) flying in the air. See the pictures below.
A ball with an initial velocity V along X axis, and has a spin along Z axis. As far As I know ( see my previous post in The air drag problem... ) .
F1 is the air drag.
F2 is the gravity.
F3 is the magnus force( sometimes we call it lift force).
So, the ball will not travel directly through X axis, it will curve to left.
My question is : What about the spin axis? Will it shift from A1 to A2? ( A1 is the axis parallel to Z axis as the initial state )? If Yes, How can I estimate the angle between A1 and A2?
Any suggestion is appreciated. Thank you very much.
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