Frequent question: Is a basketball a sphere?

A basketball is a spherical ball used in basketball games. Basketballs usually range in size from very small promotional items that are only a few inches (some centimeters) in diameter to extra large balls nearly 2 feet (60 cm) in diameter used in training exercises.

Are basketballs perfect spheres?

A basketball is a sphere while Earth is an oblate spheroid, meaning Earth’s equatorial radius is larger than its polar radius (as mentioned already in David Hammen’s answer and nanoman’s answer, I have just introduced the name for this phenomenon).

Is ball a sphere shape?

A ball is spherical; it’s shaped like a sphere — a three-dimensional version of the two-dimensional circle.

Is a basketball a circle or sphere?

A basketball is a spherical ball used in basketball games. Basketballs usually range in size from very small promotional items that are only a few inches (some centimeters) in diameter to extra large balls nearly 2 feet (60 cm) in diameter used in training exercises.

Is the sun a perfect sphere?

Most of the material collected in the center of this cloud and eventually formed the Sun. As material collapses on itself, the most natural, efficient shape to form is a sphere. … Due to the effects of rotation, the Sun is not a perfect sphere. It bulges out slightly at its equator.

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Playing basketball