Question

In which of the following cases of motion the distance moved and the magnitude of the displacement are equal? (i) If the car is moving on a straight road. (ii) If the car is moving in circular path. (iii) The pendulum is moving to and fro. (iv) The earth is moving around the sun. *

(a) Only ii

(b) i and iii

(c) ii and iv

(d) Only i

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Answer 1

Answer:

Answer: (a) The distance moved and magnitude of displacement are equal only in the case of motion along a straight line. Because displacement is the shortest path between initial and find path. So, for car moving on straight road, distance moved and magnitude of displacement are equal.

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