Teaching Coriolis acceleration demonstration instrument

The invention discloses a teaching Coriolis acceleration demonstration instrument which comprises an underframe and a demonstration component, wherein the demonstration component is embedded into the upper end surface of the underframe; the demonstration component comprises a big turn table and a synchronous wheel component mounted on the big turn table; the synchronous wheel component comprises a synchronous wheel A, a synchronous wheel B and a driving belt in driving connection with the synchronous wheel A and the synchronous wheel B; a first motor used for controlling the big turn table to rotate is mounted at the lower end of the turn table; a second motor used for controlling the synchronous wheel A or the synchronous wheel B to rotate is mounted at the lower end of the synchronous wheel A or the synchronous wheel B; a scale line is marked on the big turn table and is located in a corresponding area of two straight sides of the driving belt; an indicating light is arranged at the position corresponding t