it opens at a right angle so there's less resistance . 《直角に開くので 抵抗は少なくすむかと➡》
it is a weapon in the shape of a rod for which the tip bends at a right angle . 先端が直角に曲がった棒状の武器。
for example , when he walked , he had to walk on the center of the road and turn at a right angle . たとえば道を歩くときは必ず真ん中を歩き、直角に曲がる。
a few streets do not run at a right angle from the north-south and east-west grid , such as kawaramachi-dori street , which extends from the south of shijo . また、ごく一部に東西あるいは南北の方向ではない、斜め方向の通りも存在する(たとえば河原町通の四条以南など)。
however , it is necessary to slide and pull when cutting so that the direction of force is added at a right angle against the object to cut , because the sword itself is light . しかし、刀自体重量が軽いので切断する際手前にスライドさせて力の向きを切断物に対し直角からそらして加える必要がある。