Energy extracted by braking. Can be regarded as brake wear - a pair of standard bicycle disc brake pads will last around 50 MJ, for cars around 5 GJ.
Energie získaná brzděním. Lze považovat za opotřebení brzd - pár standardních kotoučových brzdových destiček na kolo vydrží kolem 50 MJ, u aut kolem 5 GJ.
Power exerted during activity, due to drag forces, altitude change, etc. Negative means power gain, e.g. when going downhill or braking. When in kcal/h or kJ/h, it also takes efficiency and BMR into account.
Purely mechanical work sexpent for this activityded (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.
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