Question

What do you mean by motion in one direction

Answer 1

The motion of a body is said to be in one dimension or one –dimensional motion if it moves along a straight line in any direction. This type of motion is also called rectilinear or linear motion. Only one position co-ordinate is required to describe the position of the particle in this motion.

Examples (i) Motion of a vehicle on a straight line.

(ii) Motion of a train on a straight railway track.

(iii) Motion of an object dropped from a certain height from the ground.

(iv) A man working on a straight path etc.