At all meetings of the City Council, a majority of the corporate authorities shall constitute a quorum for the transaction of business, and if no such quorum attends such meeting of the Council, the Aldermen may adjourn from day to day until a quorum is present; and shall have power to compel the attendance of absent members, except when such members are physically unable to attend such meetings.
(65 ILCS 5/3.1-40-20) (1999 Code, § 1-2-7)