Washing machine

摘要

A balancer (100) for a washing machine includes a balancer housing (110) having an annular channel (110a) defined therein, at least one mass (141) movably disposed in the channel (110a), and at least one magnet (160) coupled to one side of the balancer housing to restrain movement of the mass along the channel when rotational speed of a drum of the washing machine is within a predetermined range. The magnet (160) includes a plurality of unit magnets (162) arranged in a circumferential direction of the balancer housing.