Pure mechanical work expended (disregarding thermal efficiency and BMR). For bikes this can be regarded as a measure of chain wear - a standard bicycle chain will last about 100 MJ, for motorcycles about 1 GJ.
Kerja mekanikal semata-mata dibelanjakan untuk aktiviti ini (tidak mengambil kira kecekapan haba dan BMR).
For bikes this can be regarded as a measure of chain wear - a standard bicycle chain will last about 100 MJ, for motorcycles about 1 GJ.