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- Swing Weight = m * (r - 14)

The Swing Weight of a golfclub = m * (r - 14)

m = mass of the club in grams

r = distance from the top of the shaft to the center of mass of the club in inches

6050 equals the swing weight D-0

But the formula for the angular acceleration of any object spinning around an axis is:

ω

In the case of a thin rod spinning around one of it's endpoints this will be:

ω

m, and r are now in SI units though. (kg and meters)

But in the formula for swing weight there is no r

m = mass of the club in grams

r = distance from the top of the shaft to the center of mass of the club in inches

6050 equals the swing weight D-0

But the formula for the angular acceleration of any object spinning around an axis is:

ω

_{dot}= τ / IIn the case of a thin rod spinning around one of it's endpoints this will be:

ω

_{dot}= 3 * τ / (m * r^{2})m, and r are now in SI units though. (kg and meters)

But in the formula for swing weight there is no r

^{2}only an r. Why is this?
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