[{"question":"V\u00fdkon telesa vypo\u010d\u00edtame zo vz\u0165ahu :","answers":["W.t","W\/t","F.s","W + t"],"correct":"W\/t","order":"1"},{"question":"Ak je v\u00fdkon kon\u0161tantn\u00fd pre pr\u00e1cu plat\u00ed:","answers":["P.t","P\/ t","P.s","P-t"],"correct":"P.t","order":"2"},{"question":"Jednotkou v\u00fdkonu je:","answers":["Joule","Wattsekunda","Watt","Joulesekunda"],"correct":"Watt","order":"3"},{"question":"Jedna kilowatthodina sa rovn\u00e1:","answers":["3,6 . 106 J","106 J","6. 106 J","3.106 J"],"correct":"3,6 . 106 J","order":"4"},{"question":"Ak P0<\/sub> je pr\u00edkon a\u00a0P je v\u00fdkon, tak \u00fa\u010dinnos\u0165 vypo\u010d\u00edtame:","answers":["P.P0<\/sub>","P + P0<\/sub>","P \/ P0<\/sub>","P0<\/sub> \/ P"],"correct":"P \/ P0<\/sub>","order":"5"},{"question":"\u00da\u010dinnos\u0165 strojov b\u00fdva v\u017edy:","answers":["1%","0%","men\u0161ia ako 100 %","v\u00e4\u010d\u0161ia ako 100 %"],"correct":"men\u0161ia ako 100 %","order":"6"},{"question":"V\u00fdkon \u017eeriava, ktor\u00fd zodvihne zo zeme za 1 min\u00fatu bremeno hmotnosti 3\u00a0000 kg do v\u00fd\u0161ky 10 m je :","answers":["500 W","50 kW","50\u00a0 W","5 kW"],"correct":"5 kW","order":"7"},{"question":"Ako vypo\u010d\u00edtame \u00fa\u010dinnos\u0165 stroja pomocou vykonanej pr\u00e1ce W a dodanej energie E","answers":["W . E","W \/ E","W + E","W- E"],"correct":"W \/ E","order":"8"},{"question":"Ak\u00fa \u00fa\u010dinnos\u0165 m\u00e1 elektromotor s pr\u00edkonom 39 Wh, ak pomocou lana zdvihol 800kg teleso do v\u00fd\u0161ky 12m?","answers":["1%","0.07%","0.01%","0.25%"],"correct":"1%","order":"9"},{"question":"Jednotkou \u00fa\u010dinnosti je:","answers":["Watt","Joule","Newton","je to bez je rozmern\u00e1 veli\u010dina"],"correct":"je to bez je rozmern\u00e1 veli\u010dina","order":"10"}]