Question

1. Distinguish between distance and displacement for

a) an object moving along a straight line

b)an object moving in a plane

2. Give an example where the speed on object first increases,then remains constant for some time,and then decreases.



3.A girl bends to touch her toes.Is the motion of her head an example of uniform motion or accelerated motion.Explain.

Answer 1

(1)when an object is moving in a straight line than the distance can not be zero but displacement will be zero