Common Mistakes :  Broken

adjective

.BAD: The car could not stop because its brakes were broken

.GOOD: The car could not stop because its brakes were not working

.BAD: I turned on the radio but it was broken

.GOOD: I turned on the radio but it wasn’t working

broken = physically damaged

.a broken windscreen

not working = not functioning properly

.I can’t ring him because his phone’s not working