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  #41  
Old 02-08-2005, 04:38 PM
lagster lagster is offline
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F=MA

MOMENTUM: mass in motion ( according to the referenced Glenbrook link)

Still... would not a 100lb. golfing machine hit the ball further than a 1lb. golfing machine, with all other factors being equal?
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  #42  
Old 02-08-2005, 04:44 PM
EdZ EdZ is offline
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Thanks Mike.....

Something worth quoting from one of the links:

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Maximum acceleration and efficiency of motion. All available forces should be applied sequentially with proper timing, and as directly in the intended line of motion as possible. Body motions extraneous to the desired motion should be minimal.

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  #43  
Old 02-08-2005, 04:49 PM
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Yoda Yoda is offline
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Hands Control -- The Way Of Life
Originally Posted by Mike O
HCW,
Good points-

To clarify - to get that clubhead accelerating maximally, you do need to be very good at "Transferring Momentum"- from one joint to another, and eventually to the clubhead. Your point is well taken that we are not transferring Mass but we are transferring momentum (massxvelocity) That's what lagster is referencing.

Below is a link to one site that describes the basic momentum concept.
http://www.glenbrook.k12.il.us/gbssc...tum/u4l1a.html

Below is a link to another site that describes in their article, the concept of "Transfer of Momentum"

http://www.exercisephysiologists.com...nicalCONCEPTS/

Mike O
Mike,

It is a curious irony that the Swinger's Centrifugal Force is largely the result of the Momentum Transfer of the Turning Body (the Pivot) into the Primary Lever Assembly (the Left Arm and Club). And yet, we who teach The Golfing Machine maintain that the Pivot (Body) is best controlled by the Hands and not the other way around.

I know you've done a lot of work in this area that our members would find fascinating. It would make a great new thread in The Lab, and I, for one, would read every word! Could you kick this subject off for us?

Meanwhile, let's all carry on here. This thread has a 'momentum' all its own!
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  #44  
Old 02-08-2005, 06:06 PM
Matt Matt is offline
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Re: Hands Control -- The Way Of Life
Originally Posted by Yoda
Mike,

It is a curious irony that the Swinger's Centrifugal Force is largely the result of the Momentum Transfer of the Turning Body (the Pivot) into the Primary Lever Assembly (the Left Arm and Club). And yet, we who teach The Golfing Machine maintain that the Pivot (Body) is best controlled by the Hands and not the other way around.
I would be very, very interested in reading about this as well.
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  #45  
Old 02-08-2005, 06:40 PM
lagster lagster is offline
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Re: Hands Control -- The Way Of Life
Originally Posted by Matt
Originally Posted by Yoda
Mike,

It is a curious irony that the Swinger's Centrifugal Force is largely the result of the Momentum Transfer of the Turning Body (the Pivot) into the Primary Lever Assembly (the Left Arm and Club). And yet, we who teach The Golfing Machine maintain that the Pivot (Body) is best controlled by the Hands and not the other way around.
I would be very, very interested in reading about this as well.
I also would like to read more about this subject.

I think many people probably confuse the Hands Controlled Pivot, with actually hitting the ball with the hands. Many probably think of this as kind of a Hand Throw. That's not it, although some may feel that kind of thing.
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  #46  
Old 02-08-2005, 07:39 PM
hcw hcw is offline
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Originally Posted by lagster
F=MA

MOMENTUM: mass in motion ( according to the referenced Glenbrook link)

Still... would not a 100lb. golfing machine hit the ball further than a 1lb. golfing machine, with all other factors being equal?
if you're asking whether a 100 lb clubhead would hit the ball further than a 1 lb clubhead if they have the same acceleration at impact then i would say yes...if you mean that a 100 lb machine and a 1lb machine both swing the same clubhead, in the same way, to the same acceleration at impact, then i would say no...

-hcw
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  #47  
Old 02-08-2005, 07:52 PM
hcw hcw is offline
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Re: Transfer of Momentum
Originally Posted by Mike O
HCW,
Good points-

To clarify - to get that clubhead accelerating maximally, you do need to be very good at "Transferring Momentum"- from one joint to another, and eventually to the clubhead. Your point is well taken that we are not transferring Mass but we are transferring momentum (massxvelocity) That's what lagster is referencing.
hmmm, i need to ponder this, but i'm not sure that is really what we're doing...i'm not sure it's that complex...i think we're applying forces to the clubhandle using different muscles in sequence to accelerate it and therefore the clubhead that's attached to it...hopefully this is in a direction that when the clubhead impacts the ball it will make the ball go to the target...

-hcw
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  #48  
Old 02-08-2005, 11:21 PM
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Mike O Mike O is offline
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Transferring Momentum
HCW,
Just for clarification- Transferring Momentum is something that happens in many sports movements including golf- but I'm not saying that you consciously try to do it everytime you make a swing. I would agree that if that was your procedure then it would be much too complicated. There certainly are criteria for improving the transfer of momentum if you are not sufficiently accomplishing it, but differentiating between what is happening in the movement and what you are trying to do in the movement- i.e. one's procedure, is very important in understanding and mastering the golf movement or other movements.

Just wanted to clarify between what's happening in the movement and what your trying to do- and not have someone think I was inferring that you "have to make the transfer of momentum happen" "or that it is something your trying to time with each joint motion"- ultimately your clubhead lag "controls" that.

Mike O
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  #49  
Old 02-09-2005, 08:47 AM
lagster lagster is offline
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Originally Posted by hcw
Originally Posted by lagster
F=MA

MOMENTUM: mass in motion ( according to the referenced Glenbrook link)

Still... would not a 100lb. golfing machine hit the ball further than a 1lb. golfing machine, with all other factors being equal?
if you're asking whether a 100 lb clubhead would hit the ball further than a 1 lb clubhead if they have the same acceleration at impact then i would say yes...if you mean that a 100 lb machine and a 1lb machine both swing the same clubhead, in the same way, to the same acceleration at impact, then i would say no...
.................................................. .................................................. .......

OK... would not a 100 lb. golfing machine(Iron Byron type device, Pingman, etc.) hit the ball further than a 6 ounce machine(that's more than twice the weight of the ball), with all other factors being equal?

The momentum(mass in motion) is transferring from the machine, into the clubhead, into the ball.
-hcw
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  #50  
Old 02-09-2005, 12:47 PM
hcw hcw is offline
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machine mass
Originally Posted by lagster
OK... would not a 100 lb. golfing machine(Iron Byron type device, Pingman, etc.) hit the ball further than a 6 ounce machine(that's more than twice the weight of the ball), with all other factors being equal?

The momentum(mass in motion) is transferring from the machine, into the clubhead, into the ball.
-hcw
if the 6 oz machine can swing the same club, with the same acceleration, with the same impact parameters (ie hits the exact same spot on the ball with exact same spot on the clubhead) as the 100 lb machine, then i think the ball will go the same distance, all other factors (eg wind, ball elasticity) being equal
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