The present invention may provide a motor including a rotor and a stator disposed to correspond to the rotor, wherein the rotor includes a rotor core and a magnet disposed on the rotor core, the rotor core includes a first region in which the magnet is disposed, the first region of the rotor core includes two grooves, one of the two grooves is disposed at a position corresponding to one end region of the magnet, and the other one of the two grooves is disposed at a position corresponding to the other end region of the magnet.