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Explain why golf balls are dimpled.

Explain why golf balls are dimpled.

Grade:11

2 Answers

Kevin Nash
askIITians Faculty 332 Points
8 years ago
When golf balls travel in air, they carry with them a thin layer of fluid due to the friction of air. As the golf ball rotates rapidly during their flight, a circulation layer of air forms around it. The dynamic lift will increase if such air circulation around golf balls increases.
Thus, golf balls have dimples on their surface dimples to increase the circulation of air around it during their flight. By doing so, it can fly high and can reached much larger range.
grenade
2061 Points
8 years ago
A smooth golf ball hit by a professional golfer would travel only about half as far as a golf ball with dimples does. Most golf balls have between 300 and 500 dimples, which have an average depth of about 0.010 inch. The lift and drag forces on a golf ball are very sensitive to dimple depth: a depth change of 0.001 inch can produce a radical change to the ball's trajectory and the overall distance it can fly. Dimples have traditionally been spherical in shape, but it is possible to optimize the aerodynamic performance of other shapes.

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