What do you mean by motion in one, two and three dimensions ?
Give example of each type
Answers
Answer:
Motion in two and three dimension - law
Projectile and circular motion are examples of two dimensional motion. Motion in three dimension: Motion in space which incorporates all the X, Y and Z axis is called three dimensional motion. Example: Movement of gyroscope is an example of three dimensional motion.
Answer:1. Motion in one dimension:
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.
2. Motion in two dimensions
The motion of a body is said to be in two dimensions or two dimensional motion if it moves ordinates are required to describe the motion of the particle.
Examples: (i) Motion of an insect on a floor
(ii) Motion of a boat in a river
(iii) Motion of earth around the sun
(iv) Motion of a shell fired from a gun
(v) Motion of a billiard ball on the billiard tale etc.
3. Motion in three dimensions: The motion of a body is said to be in three dimensions or three dimensional motion if it moves in space. In this type of motion three position co-ordinates are required to describe the position of the particle.
Examples: (i) Motion of a kite
(ii) Motion of an aeroplane
(iii) Motion of a flying bird
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