5 Responses to “If Two Golf Balls Were Struck With The Same Amount Of Velocity But Different Angles Will The Vertical Velocity?”

1. Ivo C says:

   February 23, 2010 at 7:22 pm

   Your wording is a bit off, but I think I understand what you mean.
   “If two balls are struck with equal force but launch at two different angles, is their vertical velocity different?”
   The answer is yes. Every object in motion has (to make it simple, think 2 dimensional) 2 vectors which make up its total velocity. This is its vertical velocity, and its horizontal velocity. The total force is the same, say for example 500 newtons, on both balls. Here’s what happens (in very simple terms):
   Ball 1:
   Total Force = 500 Newtons
   Launch Angle = 20 degrees
   Vertical Velocity = 23 m/s
   Horizontal velocity = 250 m/s
   Ball 2:
   Total Force = 500 Newtons
   Launch Angle = 40 degrees
   Vertical Velocity = 55 m/s
   Horizontal Velocity = 200 m/s
   The numbers are made up, I didn’t bother to do the math, but I hope the point is still made. The proportions are close to get the idea across. Ball 1 will travel farther and not go as high, while ball 2 will go higher but not travel as far. This is the same reason why your 9 iron goes shorter than your 8 iron, and so forth.
2. caddysha says:

   February 23, 2010 at 7:31 pm

   If I understand your question, yes. The angle at which the ball is struck will certainly have an affect on the vertical distance it travels. This is simple physics - Newton’s law: every action will have an equal and opposite reaction. So the angle of impact of the force delivering the blow will determine the trajectory of the ball in flight.
   The initial trajectory is determined by impact. The height is determined by force and slowed, then reversed by gravity.
   This is the entire point of having different clubs in the bag. This is why a higher lofted club will go higher in the air. You can even de-loft clubs on purpose by changing the angle of impact. Find a good set of clubs, a nice practice facility and a laser range finder and go do some experimenting.
3. Harry B says:

   February 23, 2010 at 8:01 pm

   the velocity will be the same!

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