PGA Golf Technology and Equipment

Question 1

What does 'lie angle' refer to in golf club fitting?

Accepted Answer

The angle between the shaft and the ground when the club is in playing position

Answer

Lie angle is the angle between the shaft and the ground when the club is soled in its proper playing position, affecting shot direction.

Question 2

What is the primary purpose of a dynamic club fitting session?

Accepted Answer

To measure a golfer's swing characteristics with actual ball flight data

Answer

Dynamic fitting uses real swing data and ball flight to match equipment specifications to the golfer's individual swing characteristics.

Question 3

What is 'kick point' (also called flex point) in a golf shaft?

Accepted Answer

The location on the shaft where maximum bending occurs during the downswing

Answer

Kick point is the location on the shaft where maximum bending occurs during the downswing, influencing trajectory and shot feel.

Question 4

Which of the following best describes 'moment of inertia' (MOI) in golf club design?

Accepted Answer

The resistance of the clubhead to twisting on off-center hits

Answer

MOI measures a clubhead's resistance to twisting when the ball is struck off-center, with higher MOI producing more forgiveness on mishits.

Question 5

What launch monitor metric most directly measures how efficiently energy is transferred from the clubhead to the ball?

Accepted Answer

Smash factor

Answer

Smash factor is the ratio of ball speed to clubhead speed, directly measuring energy transfer efficiency (ideal is approximately 1.50 for drivers).

(PGA) Professional Golfers Association Certified Practice Test