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Motion in a Straight Line — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsMotion in a Straight Line2 Marks
Question
In which of the following examples of motion, can the body be considered approximately a point object: A railway carriage moving without jerks between two stations.
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Answer

The size of a carriage is very small as compared to the distance between two stations. Therefore, the carriage can be treated as a point sized object.

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