In which of the following cases of motions, the distance moved and the magnitude of displacement are equal ?
A
If the car is moving on straight road
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B
If the car is moving in circular path
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C
The pendulum is moving to and fro
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D
The earth is revolving around the Sun
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Solution
The correct option is A If the car is moving on straight road (a) If the car is moving on a straight road Explanation: In all other cases, displacement can be less than distance.
Displacement is the shortest distance traveled by an object while the distance is the total distance traversed by the object. In the case of linear motion, the displacement of the object is equal to the distance covered.