Maopopo iā ʻoe ke ʻano o ka hopena hopena?
E pili ana i ka lōʻihi o ka mea e kū ai i ka ikaika a i ʻole ka haʻalulu i hoʻopili ʻia iā ia. He hōʻailona improtant o ke ola o ka mea ma lalo o kekahi kūlana kaiapuni a me nā mahana.
No ka pale ʻana i ka hopena o ka panel aniani, aia kahi degere IK e wehewehe i kona hopena mechanical waho.
ʻO kēia ke kumu e helu ai i ka Impact JE=mgh
E - ke kū'ē i ka hopena; Huina J (N*m)
m - ke kaumaha o ka poepoe stell; Huina kg
g - ka wikiwiki o ka umekaumaha; Huina 9.8m/s2
h – ke kiʻekiʻe ke hāʻule; Huina m
No ka papa aniani me ka mānoanoa ≥3mm hiki ke hele i IK07 ʻo ia ʻo E=2.2J.
ʻO ia hoʻi: 225g kila kila hāʻule mai 100cm kiʻekiʻe a hiki i ke aniani ʻili me ka ʻole o ka pōʻino.
Saida Glassmālama i nā kikoʻī āpau i noi ʻia e nā mea kūʻai aku a loaʻa i ka hopena maikaʻi loa no kāu papahana.
Ka manawa hoʻouna: Mei-20-2020
