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प्रश्न
Explain the following :
When a train suddenly moves forward , the passenger standing in the compartment tends to fall backwards .
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उत्तर
When a train suddenly starts, the passengers tend to fall backwards. This is because the lower part of the body, which is in contact with the train, begins to move while the upper part of the body tends to maintain its position of rest. As a result, the upper part tends to fall backwards.
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