Question

If the speed of an object moving along a straight line keeps changing, its motion is said to be

Answer 1

Answer:

If the speed of an object moving along a straight line keeps changing, its motion is said to be non-uniform.

Explanation:

Few things to know about Motion:

A body is said to be in motion, if the changes its position with respect to its immediate surroundings.

For a moving body, if the distance travelled in a certain time interval is much large as compared to the size of the body, The body can be assumed to be a particle.

When a body moves along a straight line path, its motion is said to be one dimensional motion.

It is also called motion in a straight line or rectilinear motion.

Answer 2

Answer :

If the speed of an object moving along a straight line keeps changing, its motion is said to be non uniform motion.

• If a body changes its position with respect to time, then the body is said to be in motion.

• If the speed of the body in motion is constant, then the body is said to be uniform motion.

• If the speed of the body in motion is not constant and keeps changing, then the body is said to be in non uniform motion.

• Motion in a straight line or just in one axis is said to be in 1D motion or Rectilinear motion.

• Motion in both X-axis and Y-axis together is said to be in 2D motion.

• Motion in X-axis, Y-axis and Z-axis together is said to be in 3D motion.