When a diver jumps off a diving board into a pool, while in the air, it is easier to somersault while their body is tucked into a ball-like shape and harder while their body is extended?

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper

it is very well related to a lot of things but with my limited knowledge i can confidently say that the answer is space.