Question

.A device used by the sailors to find the direction in which their ship is moving is called________.

Answer 1

1. Earth behaves like an enormous magnet.
2. A magnet when suspended freely aligns itself in the north-south direction.
3. This directive property of a magnet helps the sailors to find the north-south direction.
4. Thus, the magnetic needle is used in the compass for indicating directions.

Hence, a device used by the sailors to find the direction in which their ship is moving is called magnetic compass.