What is Golf: Definition and 178 Discussions

Golf is a club-and-ball sport in which players use various clubs to hit balls into a series of holes on a course in as few strokes as possible.
Golf, unlike most ball games, cannot and does not utilize a standardized playing area, and coping with the varied terrains encountered on different courses is a key part of the game. The game at the usual level is played on a course with an arranged progression of 18 holes, though recreational courses can be smaller, often having nine holes. Each hole on the course must contain a teeing ground to start from, and a putting green containing the actual hole or cup 4+1⁄4 inches (11 cm) in diameter. There are other standard forms of terrain in between, such as the fairway, rough (long grass), bunkers (or "sand traps"), and various hazards (water, rocks) but each hole on a course is unique in its specific layout and arrangement.
Golf is played for the lowest number of strokes by an individual, known as stroke play, or the lowest score on the most individual holes in a complete round by an individual or team, known as match play. Stroke play is the most commonly seen format at all levels, but most especially at the elite level.
The modern game of golf originated in 15th century Scotland. The 18-hole round was created at the Old Course at St Andrews in 1764. Golf's first major, and the world's oldest tournament in existence, is The Open Championship, also known as the British Open, which was first played in 1860 at the Prestwick Golf Club in Ayrshire, Scotland. This is one of the four major championships in men's professional golf, the other three being played in the United States: The Masters, the U.S. Open, and the PGA Championship.

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  1. J

    Solar golf cart electrical question

    I have a final year project which is to design and build a solar golf cart. I have system for the electrical part of the design in mind, I would just like some clearance on whether these components will actually work. Here goes, this is what i was thinking of: 1. 1 x 200W PV Panel 2. 1 x...
  2. S

    Ways to measure the speed of a golf ball?

    Help, I need to find a cheap way to measure the speed of a golf ball in a putt putt type of golf hole and view it in real-time on a PC display? Got any ideas? I thought about using a baseball speed radar gun but thought there must be other good way? Any ideas or have you seen something like this?
  3. B

    Can a high speed camera accurately calculate golf ball spin and speed?

    Calculating golf ball spin! Looking for some help in starting a project to calculate golf ball spin (backspin and sidespin) as well as speed using a high speed camera. My plan was to use a high speed camera to capture several shots of a ball moving and determine the spin based on rotation of...
  4. J

    Kinematics 2 dimensions problem, golf ball being hit

    A golf ball mass of 4.7 x 10-2 kg is hit by Tiger Woods and drops exactly into a hole 100 meters away. It is observed that the angle between the initial velocity vector and the horizontal plane is 30 degrees. What is the magnitude of the initial velocity? Isn't the problem missing...
  5. B

    Calculating Linear Momentum of Golf Club on Impact

    (Q) a 108 cm, 0.73kg golf club is swung for 0.5s with a constant acceleartion of 10 rad/s (squ). What os the linear momentum of the club head when it impacts the ball? Known: H= 108cm = 1.8m m = 0.73 kg =7.16N t = 0.5s \alpha= 10 rad/s (squ) I know momentum = mass x velcoity So...
  6. S

    Golf ball equation for Projectile Motion need to know if I am doing it correctly

    Homework Statement A golfer hits the ball with an initial speed of 109km/hr A) What is the longest hole in one (in km) that he golfer can make without the ball rolling? B)How much time does the ball spend in the air C) What is the maximum height reached by the ball Homework Equations...
  7. G

    Unusual Golf Ball Behavior: Investigating an Unexplained Force vs Distance Graph

    I am almost done in my research on golf balls, however I found something unusual which I can't seem to find an explanation for. After collecting data on a golf swing (golf ball speed, club head speed, backspin, distance etc.) I created a few graphs. Once of them was a force vs distance graph...
  8. G

    Calculating Drag Coefficient of a Golf Ball Without Wind Tunnel

    Hi, How do you calculate the drag coeficient of a golf ball without the use of a wind tunnel. I have been researching this for hours and have not found a solution. The equation for the drag coefficient involves a value for drag which I cannot find out. I need to find the drag force to find the...
  9. M

    Projectile Motion Golf Question

    Homework Statement Not too long ago, an interesting thing happened at the Canadian Open Golf Tournament. Tiger Woods bounced his tee shot off of a young spectator’s head in the last round of the tournament. The ball made contact for 0.08 seconds, and struck the boy’s head at a velocity of...
  10. L

    Probability of Drawing Objects From a Golf Bag

    Homework Statement This question is suppose to be solved at the Math 12 Principles level: Suppose there are 5 white golf balls, 3 yellow golf balls, and 4 orange golf balls in a pocket of a golf bag. Three balls are randomly drawn, and not replaced... What is the possibility of drawing 2...
  11. E

    Golf : Advantage of a longer drive ?

    I'd be interested in some input on a question asked by a friend. Suppose you are a golf pro & train harder ( weight-training ) & increase your maximum driving ability from 300 yards to 310 yard with same accuracy. What theoretical advantage is this likely to offer you on the course ...
  12. T

    Self Propelled Golf Pull Cart

    Self Propelled Golf "Pull" Cart Hello everyone. I am quite the novice when it comes to stuff like this but I was wondering if anyone would be able to help me with a project I would like to undertake. My idea is to build a golf “pull” cart with some sort of DC motor that might run off a battery...
  13. L

    Projectile Motion two golf balls

    1. I just want to make sure I understand the concept correctly and that I have provided the correct explanation and understanding...therefore the image of the problem is not important "Figures 1 and 2 show the paths followed by two golf balls, A and B. In each figure, does Ball A spend...
  14. D

    How does perimeter weighting affect the moment of inertia of a golf club head?

    "In the last 25 years, designers have developed clubs that have approximately the same weight as the older clubs but have it distributed around the perimeter of the club, so that the head is far more resistant to off-center twisting and therefore far more forgiving of golf swings that are off...
  15. L

    Golf Ball Impact Force: Average Calculated

    A golf ball (m = 71.7 g) is struck a blow that makes an angle of 43.1 with the horizontal. The drive lands 122 m away on a flat fairway. The acceleration of gravity is 9.8 m/s^2. If the golf club and ball are in contact for 6.62 ms, what is the average force of impact? Neglect air resistance...
  16. D

    Question about perimeter weighting in golf clubs

    From How Stuff Works: "In the last 25 years, designers have developed clubs that have approximately the same weight as the older clubs but have it distributed around the perimeter of the club, so that the head is far more resistant to off-center twisting and therefore far more forgiving of...
  17. mugaliens

    Jay Gray removed from the Golf Channel

    http://sports.yahoo.com/golf/blog/devil_ball_golf/post/Jim-Gray-removed-from-Golf-Channel-coverage-af?urn=golf-323395" ! Did a 21st Century announcer just offend the 19th Century sensibilities of those who would prefer to remain firmly entrenched in the past? Or is Gray really becomming one of...
  18. I

    Ideal material for Golf application

    I'm currently in the process of designing a golf application. Because of what it is, it needs the following properties:Corrosion resistance, UV resistance, lightweight, and heat resistance although this is not essential as I could use a heat shield, I believe mica would be ideal for this. So...
  19. G

    Calculating how far a golf ball will travel on a green before it comes to rest?

    I have been trying to calculate how far a golf ball will travel on a level green given the following variables: The initial velocity of the ball is 1.49 m/s The coefficient of friction between the ball and the green is .0409 The mass of the ball is 0.046kg The diameter of the ball is 42.6mm...
  20. J

    VB app to calculate velocity of a golf club head

    Hi guys, i have read and read and read all this stuff about x=vt(cosA), y = vt(sinA)-1/2gt^2 now i am not a pyhsics guy and never claimed to be, i am a programmer. This is what i am trying to accomplish. I am trying to write a small VB app to calculate velocity of a golf club head. I and...
  21. B

    Exploring the Physics of Golf: Impact of Club Length and Mass on Ball Distance

    This is interesting... How will the length and the mass of a golf club affect how far the ball will travel? What are the governing equations?
  22. A

    Probability of winning four holes in golf

    -------------------------------------------------------------------------------- Hi All, I just wanted to be sure I am calculating this correctly: In a golf game, Player A and Player B are competing in 4 holes of golf. The probabilites for 4 holes are below: Player A Prob. Draw Player B...
  23. A

    Probability between 2 people in golf

    Hi, I am having some issues with this problem. Any help is much appreciated! There are two people competing in a golf match, Person A and Person B. For a hole with a par-3 rating, Person A has the following probabilities of getting the ball in the hole in the designated number of strokes...
  24. D

    Golf Projectile Motion problem

    1. Homework Statement A golfer rips a tee shot from an elevated driving range tee-off such that the ball leaves horizontally. The ball lands exactly at the 66.8 meter marker, and was shot from the upper level (6.5 meters above the ground). How long was the ball in the air? And how fast...
  25. B

    Calculating Electric Motor Requirements for Golf Buggy

    I am designing a golf buggy with an electric motor drive. How do i determine what torque and power output i need from my motor if i know the weight of the buggy, my desired acceleration and the gradients i wish it to go up. Any advice will be gratefully appreciated. If possible please use...
  26. X

    Which object has a higher drag coefficient at 10 m/s: golf ball or basketball?

    Homework Statement A golf ball and a basketball are both moving through the air at 10 m/s. Which has the higher drag coefficient? a. The golf ball's drag coefficient is much higher. b. The basketball's drag coefficient is much higher. c. Both drag coefficients are about the same...
  27. H

    Momentum: When a bowling ball hits a golf ball

    A mass that is significantly larger than another. The larger mass hits the stationary smaller mass. I don't understand why the smaller mass has a velocity of 2 times the larger mass after the collision. Does it have something to do with v1(initial) - v1(final) = v2(initial) - v2(final)?
  28. Q

    Golf Ball Question: How Far Does It Travel?

    Homework Statement A golf ball is hit from the freeway at a speed of 40 m/s and an angle of 45 degrees. Upon hitting the ground the ball bounces off the ground at the same angle but loses 75% of its speed on each bounce. How far does the ball travel before stopping? Homework Equations...
  29. F

    Therefore, the coefficient of friction between the ball and the green is 1.54.

    Homework Statement The greenskeepers of golf courses use a stimpmeter to determine how "fast" their greens are. A stimpmeter is a straight aluminum bar with a V-shaped groove on which a golf ball can roll. It is designed to release the golf ball once the angle of the bar with the ground...
  30. J

    Can a golf ball gain speed when it goes round the hole and doesn't drop?

    When a golf ball goes round the hole and doesn't drop (bit like an orbit), it often appears to leave the hole faster than it went in. My understanding of physics tell me that this is not possible, as any speed gained from gravity when it dips slightly into the hole, is lost when it gains height...
  31. M

    Finding golf balls in the rough (ultrasonic idea)

    Hi, I'm trying to design a solution to the problem of finding golf balls in the rough. I've had a few thoughts so far: - Image processing to detect white objects in a predominantly green environment - UV light emitter and detector to take advantage of fluoresence of the whitening coating of...
  32. B

    Using golf ball dimples to decrease vaccuum drag on motor vehicles and aircraft.

    A golf ball without dimples experiences more drag because the deflection area of the airflow around the ball is larger which means that the pressure drop behind the golf ball is also higher. The increased drop in pressure creates a suction vacuum behind the golf ball which pulls it back and...
  33. X

    Golf ball hit by club (conservation problem)

    Homework Statement In a typical tee shot, a golf ball is hit by the 300 g head of a club moving at a speed of 40 m/s. The collision with the ball happens so fast that the collision can be treated as the collision of a 300 g mass with a stationary ball—the shaft of the club and the golfer can...
  34. M

    Golf card game probability? (not homework)

    A and B play a game of golf ( where the player with the lowest score wins). The deck is divided so that 17 cards goes to player A, 17 to player B, and the remaining 17 to the draw pile. Jacks and queens add 10 to the score. Aces add nine, and each numerical card adds a score equivalent to the...
  35. X

    Initial Speed of a Golf Ball Hit at 45° Angle

    A golf ball is hit and makes a 45o angle with the horizontal as it leaves the tee. It lands 200 m away. What was the ball’s initial speed? I though i know this well but i don't even know how to set this up
  36. M

    A=F/m with a plastic and real golf ball

    I discussed with my students that if force remains constant and mass decreases then acceleration increases (a=F/m). I also explained that if force remains constant and mass increases, acceleration decreases. I know that there are a number of variables that play into this next situation and I...
  37. J

    Impulse and momentum of a golf ball

    Rocio strikes a 0.058kg golf ball with a force of 272N and gives it a velocity of 62.0m/s. How long was Rocio's club in contact with the ball? A force of 186N acts on a 7.3kg bowling ball for .40s. What is the bowling ball's change in momentum? What is its change in velocity...
  38. V

    Hitting a golf ball at a brick wall

    My friend and I have been discussing this for days only to discover we're completely ignorant of the forces involved: If I hit a golf ball at a brick wall that's, say, 5 feet away, will the golf ball take more damage from the wall, or from the club? Please, help me settle this lest I lose...
  39. S

    Calculating Time of Flight for a Golf Ball

    Homework Statement What is the time of flight of a golf ball? The Vi=40 m/s, the angle is 35 degrees, and the mass is .046kg. Homework Equations I'm assuming I need to use v = v_0 + a t but I don't know the final velocity or how to get it. The Attempt at a...
  40. P

    How far will the GOLF BALL travel?

    How far will the GOLF BALL travel? I'm a business major, and was hoping that a few of the geniuses here could help me solve a problem! If a golf club was afixed to the front of a train (moving 100mph & assuming no loss of compression on the part of the train), and struck a stationary golf...
  41. L

    Golf Physics: The Secrets of the Swing

    What are all of the physics for golf
  42. F

    Comparing Speeds of Golf Ball and Ping Pong Ball with Equal Kinetic Energy

    If a golf ball and a Ping-Pong ball both move with the same kinetic energy, can you say which has the greater speed? Explain in terms of the definition of kinetic energy. Can you guys tell me if I'm thinking along the correct lines in my response... Kinetic energy = 1/2 M*V^2. Since the...
  43. S

    What is the optimal angle for maximum range in projectile motion?

    Hello, I am having trouble with the question below.. 1. A golfer imparts a speed of 30.3 m/s to a ball, and it travels the maximum possible distance before landing on the green. The tee and the green are at the same elevation. A) How much time does the ball spend in the air? b) what is the...
  44. W

    Golf Ball Flight: Solving for Initial Speed & Max Height

    Homework Statement A golf ball with an initial angle of 33◦ lands ex- actly 184 m down the range on a level course. The acceleration of gravity is 9.81 m/s2 . a) Neglecting air friction, what initial speed would achieve this result? Answer in units of m/s. 009 (part 2 of 2) 10.0 points...
  45. P

    Golf Ball Released from Tall Building: Velocity & Impact

    A golf ball is released from rest from the top of a very tall building. Choose a coordinate system whose origin is at the starting point of the ball, and whose y-axis points vertically upward. The acceleration of gravity is 9.8 m/s 2 . Neglecting air resistance, calculate the ve-...
  46. L

    Testing golf ball aerodynamics.? how?

    Homework Statement Testing golf ball aerodynamics.? how? i need a simple way to test the aerodynamic properties of spheres with different surfaces. i was thinking of doing it with liquid as in this video is there any other way i can do it or perhaps a way i can do it the way they...
  47. cepheid

    Golf Club Impact: Momentum, Friction and Loft

    When a golf club strikes a ball, is the ball carried along with the club face for part of the circular arc of motion (after impact)? If so, how does this occur? For instance, I am assuming that the impact takes place at the instant that the club is exactly vertical. I am also assuming that...
  48. W

    Euler's Method for motion of golf ball with lift

    Homework Statement We were given two equations of motion for a golf ball with lift. We must figure out the maximum range using an initial velocity of 255 ft/sec. I'll just retype what's on the sheet. "Lets incorporate lift. The free body diagram with all the forces shown is depicted in...
  49. L

    Ping Pong ball vs. golf ball and distance moved

    You can't throw a ping pong ball as far as a golf ball. F=ma would suggest that the lighter ball would accelerate more. It seems you are unable able to exert as large a force on a ping pong ball as you can on a baseball. Does your inability to exert a large force on a ping pong ball account...
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