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Questions and answers about sports

What is the curved line under the basket?

6 min read

Asked by: Troy Ramsey

The restricted area in basketball is a semi-circle arc painted just under the basketball goal that outlines the area on the basketball floor where secondary, off-ball defenders are restricted from taking charges.

What is the line under the basket for?

What is the name of the line below the basketball hoop? The name of the line below the basketball hoop is called the “restricted area.” Inside of this line, defenders will not be able to draw a charge, even if they have set their feet before contact.

What is the name of a curved line in basketball?

three–point line. noun. Britannica Dictionary definition of THREE–POINT LINE. [singular] basketball. : a curved line on a basketball court that is a set distance (such as 22 feet) from the basket and beyond which successful shots count for three points.

What is the area underneath the basket called?

The key, officially referred to as the free throw lane by the National Basketball Association (NBA), the National Collegiate Athletic Association (NCAA), and the National Association of Intercollegiate Athletics (NAIA), the restricted area by the international governing body FIBA, and colloquially as the lane or the …

What is the rectangular area under the basket called?

The key goes by many names in the game of basketball, but they all refer to the painted area under the basket. Learn about its history and rules.

What is the semicircle under the basket?

The restricted area in basketball is a semi-circle arc painted just under the basketball goal that outlines the area on the basketball floor where secondary, off-ball defenders are restricted from taking charges.

What are the parts of a basketball court?

Court Components

  • Basket, Backboard, & Net.
  • Front Court and Back Court.
  • Center Circle / Jump Circle.
  • Three-point Arc.
  • Lane / Paint / Key / Free Throw lane.
  • Low Blocks.
  • Restricted Area.


What is the name of the black line that divides the court in half in basketball?

The mid court line divides the court in half. Offensively, once the ball crosses the Mid Court Line, it becomes a boundary line reducing the offensive playing area to just half of the court.

What are the two lines at each end of the basketball court *?

The end line in basketball is a boundary line running along the edges of the court where the hoops are located. It is also known as the baseline. The end lines are one of two sets of boundary lines, along with the sidelines. A player that steps on or over the end line is considered out of bounds.

What are the black lines on a basketball called?

Word the lines on a basketball make the sport easier to play like the dots covering the outside of a basketball the ball's grooves make it easier to handle.

Why does a basketball have ridges?

Much like those pebbled dots covering the outside of a basketball, those black lines are actually grooves that make the ball easier to handle. And, with a game requiring players to move around a full court while bouncing (or, “dribbling”) a ball, control is key.

Why is a basketball orange?

Back before the 1950s all basketballs were dark brown. Until Butler University’s head basketball coach Tony Hinkle decided the brown color was hard for everyone to see. The players, the fans, the coaches, and refs all complained about it. So he decided to choose a much brighter more visible color, orange!

Why do basketballs have bumps?

Basketball tends to get bumps due to being overinflated or pumped up too fast. The ball’s bladder will not equally distribute the air, and it will take the path of least resistance, forming a bump.

Why is a basketball bouncy?

See, the basic reason a basketball bounces is simple: it’s all Newton’s third law of motion. For every action, there is an equal and opposite reaction. When the ball hits the floor, it pushes on the floor, and the floor pushes back on it.

Who invented ball?

Nobody knows who invented the ball. It may have begun by people kicking or throwing rocks, coconuts, or other rounded objects in nature.

Why do balls not bounce forever?

The height of bounce will asymptote to zero, so also the time taken for the bounce will get smaller and smaller and also asymptote to zero. So as time moves past this point, the ball will have stopped bouncing.

Why does a flat ball not bounce?

When a ball has more air inside of it, there is more pressure which causes the material of the ball to be less floppy and deform less when bounced. Also, when there is more air there is a greater force acting against the ground upon impact.

What does PSI mean in basketball?

pounds per square inch

The amount of air is measured in pounds per square inch, which may be abbreviated as “lbs/in²” or simply “psi.” Your basketball will likely direct you to inflate the ball somewhere between 7 to 9 pounds per square inch.

Why are balls filled with air?

As a ball bounces, it squashes a little and then returns to its original shape. In the process, it heats up a little bit, losing a small amount of energy. When the ball is fully inflated, it squashes less than when it’s not as inflated, so it heats up less. With less energy lost to heat, it can bounce higher.

Why do golf balls bounce so high on concrete?

Why Do Golf Balls Bounce So High on Concrete? A hard surface like concrete can cause a golf ball to deform slightly and create elastic force. This causes the golf ball to store energy through deforming, and bounce while releasing that energy.

Do drivers lose their bounce?

A golf driver can go dead and lose its pop when there is a crack, or defect, in the club face. This can be caused by faulty manufacturing or weakness in the driver head, and affects distance and performance.

What is golf ball made of?

Throughout much of the early 20th century, gutta-percha and balata balls became the weapons of choice for most golfers, pro and amateur alike. These days, a golf ball is typically made of a butadiene rubber center surrounded by one or more rubber mantles and topped off with a tough skin.

Why do different balls bounce differently?

The combination of the material properties of a ball (surface textures, actual materials, amount of air, hardness/ softness, and so on) affects the height of its bounce.

Why do golf balls bounce higher than tennis balls?

Directions. Baseballs have less bounce than tennis balls or golf balls. This is due, in large part, to their construction. To measure the bounciness of a ball, you can try dropping it from a height onto a hard surface.

Do smaller balls bounce higher than bigger balls?

The air friction is approximately proportional to the square of the radius at high speeds, and to the radius at low speeds. So for bigger balls the ratio of gravitational to frictional force goes up, compared to small balls. That would tend to make the large balls bounce higher.