Ian Sinclair puts up a woo-woo magic ball show, trying to convince people that woo-woo hopping is just about simple physics. Adding mass to velocity, yeah right, as that would work??!!
zrm wrote:https://en.wikipedia.org/wiki/Galilean_cannon
I don't see anything wrong with the explanation of the cannon. Of course its not the only physics principle that applies to Taiji.
The cannon is why you want to connect the foot to the ground at exact the same time as the fist impacts in Xing Yi, but in doing so you also need to instantaneously form a bridge from the fist to the ground. If there is no bridge it doesn't work.
windwalker wrote:His idea is correct but his understanding seems to be not....
He doesn't talk about nor mention a "moment"
charles wrote:windwalker wrote:His idea is correct but his understanding seems to be not....
He doesn't talk about nor mention a "moment"
He mentions "leverage" in passing. Same thing.
As I was watching the video, he seemed to be attempting to implement aspects of Hong's Practical Method without really identifying, distinguishing and understanding the basics of the it: then he mentioned having met Chen Zhonghua.
Taiji people often mention centrifugal force, as Ian did. Centrifugal force doesn't come into play unless you are rotating something about an axis with sufficient velocity. Slow-moving applications have insufficient rotational velocity to have any relevant centrifugal force: it's leverage. Similarly, momentum doesn't enter into it without sufficient velocity.
charles wrote:windwalker wrote:His idea is correct but his understanding seems to be not....
He doesn't talk about nor mention a "moment"
He mentions "leverage" in passing. Same thing.
its not, but ok...
As I was watching the video, he seemed to be attempting to implement aspects of Hong's Practical Method without really identifying, distinguishing and understanding the basics of the it: then he mentioned having met Chen Zhonghua.
Taiji people often mention centrifugal force, as Ian did. Centrifugal force doesn't come into play unless you are rotating something about an axis with sufficient velocity. Slow-moving applications have insufficient rotational velocity to have any relevant centrifugal force: it's leverage. Similarly, momentum doesn't enter into it without sufficient velocity.
windwalker wrote:its not, but ok...
Taiji people often mention centrifugal force, as Ian did. Centrifugal force doesn't come into play unless you are rotating something about an axis with sufficient velocity. Slow-moving applications have insufficient rotational velocity to have any relevant centrifugal force: it's leverage. Similarly, momentum doesn't enter into it without sufficient velocity.
You seem to be confused as to what centrifugal force is and how it comes into play...
charles wrote:What is it that is "confused" about my statement regarding centrifugal force?
charles wrote:Taiji people often mention centrifugal force, as Ian did. Centrifugal force doesn't come into play unless you are rotating something about an axis with sufficient velocity. Slow-moving applications have insufficient rotational velocity to have any relevant centrifugal force: it's leverage. Similarly, momentum doesn't enter into it without sufficient velocity.
windwalker wrote:"In a rotating reference frame, all objects, regardless of their state of motion, appear to be under the influence of a radially (from the axis of rotation) outward force that is proportional to their mass, to the distance from the axis of rotation of the frame, and to the square of the angular velocity of the frame.[5][6] This is the centrifugal force.
charles wrote:windwalker wrote:"In a rotating reference frame, all objects, regardless of their state of motion, appear to be under the influence of a radially (from the axis of rotation) outward force that is proportional to their mass, to the distance from the axis of rotation of the frame, and to the square of the angular velocity of the frame.[5][6] This is the centrifugal force.
And, as the angular velocity approaches zero, what is the magnitude of the centrifugal force?
At near zero angular velocity how much does centrifugal force enter into an application? That was my point.
What many are attributing to centrifugal force is actually the application of leverage.
kinda depends on their understanding, I'm sure if you or others who write clear
can make the distinctions.
Is "Four ounces deflects 1000 pounds" a statement of leverage, or of something else? Does momentum enter into that one statement? Does centrifugal force enter into that one statement?
hence the title of the thread woo-woo taiji ball magic...I felt what
the OP teacher demoing, explanations were confused ...
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