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56 or 60 club face in a bunker ( various lays) - Page 7

post #109 of 121
Quote:
Originally Posted by Ernest Jones View Post

Noooooooooooooo!!!!!!!!!!!!

Or they could just accept that the physics is actually very simple and move on. a2_wink.gif
post #110 of 121

I'll accept it once I understand it. That's the problem. Now I got this visual in my head of a plane on a fricken treadmill :p

 

 

 

As for the wedge. You don't need friction, period. In any golf shot you don't need friction. The only thing that friction causes is backspin, period. As long as your not hitting the ball with the clubface at 90 degrees, and hitting the direct bottom of the ball, the ball will move.

 

The only equation that matters between two objects colliding is mass x velocity. That's it. There is no friction needed. You could hit a golf ball off the fairway wit a frictionless reaction and cause the ball to go forward. The ball will not travel up the face, it will not have backspin, but it will go forward.

 

Friction is a force that RESISTS MOTION, that's it. It isn't some magical movement producing machine. Given you need friction to walk. But if your standing still and someone hit in the back, your going to move.

 

 

Check out the video from time 2:00 and forward. Notice, ball never touches the club.

post #111 of 121
Quote:
Originally Posted by boil3rmak3r View Post

I'm surprised that some of the more experienced Sand Trap guys are partaking in this petty quarrel.

 

I agree. :-P

post #112 of 121
Quote:
Originally Posted by nick1998bunker View Post


And to jamo
What about gravity and wind resistance?

At the end there I said "additional force." If your airplane can't overcome gravity and air resistance, you've got bigger problems than it getting exercise.
Quote:
Originally Posted by iacas View Post

I agree. b2_tongue.gif

I'm in too deep. d2_doh.gif
post #113 of 121

The topic very clearly includes "various lays" so in an attempt to steer it back to the topic and off of airplanes

 

post #114 of 121

Just going to post this quickly for saeval25 (I like the guy) because the plane drove me ****ing nuts too and this post helped me grok it fully:

Quote:
Originally Posted by iacas View Post
 

Here's another possibility.

 

Imagine a subway train that was connected to overhead rails with gears of some kind. These powered the train's movement. Beneath the train, it had free-rolling wheels that just held the train up and let it roll freely instead of scraping along the ground.

 

You could put that thing on a conveyor belt, start turning the gears above to move the train forward, and the conveyor belt could begin moving backwards at whatever rate it wanted and the train would still go forward because the gears above are providing the locomotion, not the free-rolling wheels beneath.


The gears are the plane's engines or propellers.

Back to the topic.

post #115 of 121
Quote:
Originally Posted by Ernest Jones View Post
 

Just going to post this quickly for saeval25 (I like the guy) because the plane drove me ****ing nuts too and this post helped me grok it fully:

Back to the topic.

 

don't worry I would have made my way over to that thread anyways, thanks though.

 

Erik, now i want some potato chips, to the snack bin ;)

post #116 of 121
Quote:
Originally Posted by saevel25 View Post

I'll accept it once I understand it. That's the problem. Now I got this visual in my head of a plane on a fricken treadmill :p



As for the wedge. You don't need friction, period. In any golf shot you don't need friction. The only thing that friction causes is backspin, period. As long as your not hitting the ball with the clubface at 90 degrees, and hitting the direct bottom of the ball, the ball will move.

The only equation that matters between two objects colliding is mass x velocity. That's it. There is no friction needed. You could hit a golf ball off the fairway wit a frictionless reaction and cause the ball to go forward. The ball will not travel up the face, it will not have backspin, but it will go forward.

Friction is a force that RESISTS MOTION, that's it. It isn't some magical movement producing machine. Given you need friction to walk. But if your standing still and someone hit in the back, your going to move.




Check out the video from time 2:00 and forward. Notice, ball never touches the club.
You do need friction...
post #117 of 121
Quote:
Originally Posted by nick1998bunker View Post

You do need friction...

 

I feel that we gave you every possible chance.

post #118 of 121
Quote:
Originally Posted by iacas View Post
 

 

I feel that we gave you every possible chance.

 

I actually laughed out loud at this comment. Hahaha.

 

I don't think there's hope for him...

post #119 of 121
Quote:
Originally Posted by Slice of Life View Post
 
Quote:
Originally Posted by iacas View Post
 

 

I feel that we gave you every possible chance.

 

I actually laughed out loud at this comment. Hahaha.

 

I don't think there's hope for him...

 

No man is so foolish as he who will not learn (author unknown).

 

Or....

 

It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt.

Mark Twain   :smartass: 

post #120 of 121
Quote:
Originally Posted by Fourputt View Post
 

 

No man is so foolish as he who will not learn (author unknown).

 

Or....

 

It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt.

Mark Twain   :smartass: 

 

Touche'

post #121 of 121
Quote:
Originally Posted by Fourputt View Post
 

 

It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt.

Mark Twain   :smartass: 

 

One of my favorite quotes ever. Pure genius.

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