Clarify the difference.Distance (Path length) and Displacement

Distinguish between: Distance and Displacement:

Clarify the differences Uniform and non-uniform motion.

Clarify the difference.Uniform and non-uniform motion.

What is the difference between focal length of convex and concave length?

Identify the given sentences are true or false: If displacement is zero, the distance travelled also zero.

The phase difference between the displacement and acceleration of a particle execuliting simple harmonic motion is

If car, starting from point P, goes to point Q and then return to point P. How much distance has it travelled and what is its displacement ?

Clarify the difference.Uniform Circular motion & Non-uniform circular motion.

…is related to distance , while is related to displacment…..