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Originally Posted by 12 piece bucket
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Line of Compression is the "Principle of Golf" . . . so I ask the following . . .
What is the RELATIONSHIP OF THE LINE OF COMPRESSION TO THE PLANE LINE?
What is the RELATIONSHIP OF THE LINE OF COMPRESSION TO THE LINE OF FLIGHT?
What is the RELATIONSHIP OF THE LINE OF COMPRESSION TO THE ANGLE OF APPROACH?
What is the RELATIONSHIP OF THE LINE OF COMPRESION TO THE SELECTED HINGE ACTION? (HORIZONTAL ANGLED VERTICAL)?
What is the RELATIONSHIP OF THE LINE OF COMPRESSION TO THE DIRECTION OF THRUST?
Does the HOOKED CLUBFACE EFFECT THE LINE OF COMPRESSION?
What is the Line of Compression dependent upon the ClubFACE, clubHEAD or the Sweetspot?
Check these out . . . from http://regentsprep.org/Regents/physi...if/default.htm


The smaller the velocity of the object, the less centripetal force you will have to apply.
The smaller the length of rope (radius), the more centripetal force you will have to apply to the rope.
Notice that the centripetal force and the centripetal acceleration are always pointing in the same direction. 
If you let go of the rope (or the rope breaks) the object will no longer be kept in that circular path and it will be free to fly off on a tangent.
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Great Questions !
I love quizes...
The impact point plane line is a chord of the clubhead orbit on a line parallel to the ground. The LOC at impact point is an onplane tangent of the clubhead orbit. The angle of approach travels through the sweetspot impact point to low point. These lines are all on the face of an inclined plane and all intersect at the point that the sweetspot travels through the ball which means it maintains its vertical relationship to the actual impact point via clubface position but centered horizontally viewed directly on from behind.
The line of compression is seperate from the positioning of the clubface for initial ball direction. The ball after being deformed will 'kick' off the clubface and is thus diverted from its tangential path. The line of compression is always going to tangential at impact point but the clubface motion via hinge action will manipulate the line of compression until it kicks off the clubface.
Horizontal hinging for a straightaway flight will sustain and carry the tangential line with the closing of the clubface through impact so that at seperation the LOC is in a vertical plane (which the line of flight will be in) which is parallel with the impact point plane line. For Vertical Hinge action, the compression is lost and the ball does not deform on the face and thus at seperation the LOC is still tangential. Angled - inbetween....
The curvature of the ball is when the clubface is open or closed relative to the vertical plane of the sustained line of compression at seperation parallel to the chord(plane line) relative to the ground. The ball needs to be deformed in order to kick off the clubface to spin the ball on a different plane other than the vertical plane of the initial flight via clubface position at seperation inorder to use the venturi effect to create curvature.
The thrust and the LOC are both onplane and intersect the plane lines.
I've typed this after a long night shift so sorry I've if not been clearer.... I'll reread when wake up and make sure its to the best of my knowledge accurate