Why are circular designs so prevalent in everyday objects?

[arnavjoshijoshi]

Why most of things are designed circular...Such as
PEN,
ALL TYPES OF BALLS,
WHEELS,
WATCH,
PUMP
COMPRESSOR,
TURBINE,
REACTOR,
COLUMN'
TUBE/PIPES
WIRES
EARTH
EYEBALL
VEINS'
BOTTLES
BUCKETS
HEAT EXCHANGERS
SIEVES
GEARS
FRUITS
HAIRS
SHAFT
MOTOR
HEADPHONES
EAR HOLES
RINGS
LOCKS
BUTTONS
AND MANY MORE YOU CAN SEE AROUND

 

[NascentOxygen]

Hi arnavjoshijoshi.

You have hit on one of life's great imponderables.

Anyway, it's nice to have you 'round!