[{"question":"Od \u010doho z\u00e1vis\u00ed ot\u00e1\u010dav\u00fd \u00fa\u010dinok p\u00e1ky?","answers":["od ve\u013ekosti sily","od ramena sily","od podielu ve\u013ekosti sily a ramena","od s\u00fa\u010dinu ve\u013ekosti sily a ramena"],"correct":"od s\u00fa\u010dinu ve\u013ekosti sily a ramena","order":"1"},{"question":"Ako ozna\u010dujeme moment sily?","answers":["MS","M","MF","m"],"correct":"M","order":"2"},{"question":"Ako vypo\u010d\u00edtame moment sily?","answers":["M = F * a","MS = F * A","m = F * a","M = F \/ a"],"correct":"M = F * a","order":"3"},{"question":"Kedy je p\u00e1ka v rovnov\u00e1he?","answers":["ak moment sily, ktor\u00fd ot\u00e1\u010da p\u00e1ku v kladnom zmysle sa rovn\u00e1 momentu sily, ktor\u00fd ju ot\u00e1\u010da v z\u00e1pornom zmysle","ak ve\u013ekos\u0165 momentu sily na jednej strane p\u00e1ky sa rovn\u00e1 ve\u013ekosti momentu sily na druhej strane p\u00e1ky","ak moment sily na jednej strane p\u00e1ky je v\u00e4\u010d\u0161\u00ed ako moment sily na druhej strane p\u00e1ky","ak obidva momenty s\u00edl p\u00f4sobia na jednej strane p\u00e1ky"],"correct":"ak moment sily, ktor\u00fd ot\u00e1\u010da p\u00e1ku v kladnom zmysle sa rovn\u00e1 momentu sily, ktor\u00fd ju ot\u00e1\u010da v z\u00e1pornom zmysle","order":"4"},{"question":"Ak\u00fd je matematick\u00fd vzorec pre v\u00fdpo\u010det p\u00e1ky v rovnov\u00e1he?","answers":["m1 * a1 = m2 * a2","F1 * a1 = F2 * a2","F1 * m1 = F2 * m2","F1 \/ a1 = F2 \/ a2"],"correct":"F1 * a1 = F2 * a2","order":"5"},{"question":"Ak\u00e1 sila p\u00f4sob\u00ed na p\u00e1ku na jednej strane vo vzdialenosti 50 cm, ak na druhej strane p\u00f4sob\u00ed sila 200 N vo vzdialenosti 25 cm a p\u00e1ka je v rovnov\u00e1he?","answers":["400 N","250 N","100 N","200 N"],"correct":"100 N","order":"6"},{"question":"Ak\u00fd moment sily p\u00f4sob\u00ed na p\u00e1ku, ak je ot\u00e1\u010dan\u00e1 silou 250 N vo vzdialenosti 40 cm od osi ot\u00e1\u010dania?","answers":["200 Nm","400 Nm","100 Nm","250 Nm"],"correct":"100 Nm","order":"7"},{"question":"V akej vzdialenosti od osi ot\u00e1\u010dania p\u00f4sob\u00ed na jednej strane p\u00e1ky sila 500 N, ak na druhej strane p\u00f4sob\u00ed sila 200 N vo vzdialenosti 50 cm a p\u00e1ka je v rovnov\u00e1he?","answers":["0,2 m","200 cm","50 cm","25 cm"],"correct":"0,2 m","order":"8"},{"question":"Ak\u00e1 je hmotnos\u0165 chlapca, ktor\u00fd sed\u00ed na jednej strane hojda\u010dky vo vzdialenosti 2,5 m a na druhej strane je dr\u017ean\u00fd v rovnov\u00e1he silou 400 N vo vzdialenosti 2 m?","answers":["32 N","32 kg","40 kg","400 N"],"correct":"32 kg","order":"9"},{"question":"V akej vzdialenosti od osi ot\u00e1\u010dania sed\u00ed na jednej strane hojda\u010dky chlapec hmotnosti 48 kg, ak na druhej strane p\u00f4sob\u00ed sila 840 N vo vzdialenosti 1,5 m a hojda\u010dka je v rovnov\u00e1he?","answers":["3 m","2 m","2,5 m","2,625 m"],"correct":"2,625 m","order":"10"}]