Give an example of the motion in which average speed is not zero,but the average velocity is zero.
Distinguish between acceleration and retardation.
Can displacement be zero even if distance is not zero ? Give one example to explain your answer.
Distinguish between speed and velocity.
What do you mean by motion in one direction ?
Differentiate between the scalar and vector quantities, giving two examples of each.
Give an example of the motion of a body moving with a constant speed, but with a variable velocity.Draw a diagram to represent such a motion.