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Question 38: Explain why, wooden (or concrete) sleepers are kept below the railway line.
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Wooden or concrete sleepers are kept below the railway line because the weight of the train is spread over a large area of the sleepers. Therefore, the pressure acting on the ground under the sleepers is reduced. This prevents the shrinking of the ground under the weight of the train.
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Question Text | Question 38:
Explain why, wooden (or concrete) sleepers are kept below the railway line. |
Topic | Gravitation |
Subject | Science |
Class | Class 9 |
Answer Type | Text solution:1 |
Upvotes | 79 |