Question

In which of the following cases of motion, the distance moved and the magnitude of displacement are equal?
(a) if the car is moving on straight road
(b) if the car is moving on circular road
(c) if the pendulum is moving to and fro
(d) if a planet is moving around the sun

Answer 1

The answer is :

a) if the car is moving on straight road.

Answer 2

(a) if the car is moving on a straight road

Explanation:

When a car moves on a straight path , its direction does not changes and hence, magnitude of displacement and distance are equal.