"1668010"^^ . . "2. Newton\u016Fv pohybov\u00FD z\u00E1kon"@cs . "2. Newtonova pohybov\u00E9ho z\u00E1kona"@cs . "2. Newton\u016Fv pohybov\u00FD z\u00E1kon"@cs . "494"^^ . . "2. NZ"@cs . . "druh\u00E9ho Newtonova z\u00E1kona"@cs . "61"^^ . . "1"^^ .