Official Answer
Answer
Iradiyo yo hepfo ya groove irakenerwa kenshi kugirango igabanye imbaraga zo kugabanya igiti, ariko igabanya ahantu heza ho guhurira kugirango impeta igumane. Umutwaro wemewe wo gusunika $ P $ ugomba guteshwa agaciro niba radiyo $ R $ irenze $ 10 \% $ yuburebure bwimbitse $ d $. Ubushobozi bwahinduwe ni $ P '= P (1 - \ frac {R} {d}) $. Niba radiyo nini isabwa mubuzima bwumunaniro wa shaft, impeta 'iremereye cyane' ifite urukuta runini rwa radiyo cyangwa shim-kare ya shim igomba gukoreshwa kugirango impeta itazamuka muri ruhago.
